Chapter 17: Light and Image Formation

Save this PDF as:
 WORD  PNG  TXT  JPG

Size: px
Start display at page:

Download "Chapter 17: Light and Image Formation"

Transcription

1 Chapter 17: Light and Image Formation 1. When light enters a medium with a higher index of refraction it is A. absorbed. B. bent away from the normal. C. bent towards from the normal. D. continues in the same direction. 2. Light is refracted as it crosses the interface between two different media because A. energy can neither be created nor destroyed. B. mass can be converted into energy but not vice versa. C. light can be thought of as both a wave and a particle. D. its speed is different in the two media. 3. When light is reflected from a smooth, plane mirror A. most of the light is scattered into multiple directions. B. the angle of reflection is the same as the angle of incidence. C. the light is changed to a lower frequency. D. the wave characteristics are predominant. 4. The image produced by a single diverging lens will ALWAYS be A. inverted and real. B. erect and virtual. C. erect and real. D. at infinity. E. inverted and virtual. 5. A converging lens A. always has a real image. B. refracts all light towards the focal point. C. always has two curved surfaces. D. is thicker in the center than the edges.

2 6. Which of the following lenses is a diverging lens? A B C D E 7. Light from the sun passes through a converging lens and forms an image at A. infinity. B. the focal point. C. the center of the lens. D. the center of curvature of the lens. 8. A plane mirror will always produce a A. real, erect image. B. virtual, inverted image. C. real, inverted image. D. virtual, erect image. 9. A shaving mirror and a make-up mirror both magnify the image. Thus, these mirrors are mirrors. A. concave B. convex C. plane 10. The focal length of a glass lens depends on A. the curvature of the surfaces of the lens. B. the index of refraction of the glass. C. the intensity of the light passing through the lens. D. both A and B. E. both B and C.

3 11. The cornea of the human eye is an example of a A. converging mirror. B. diverging lens. C. convex mirror. D. converging lens. 12. The unaided near-sighted human eye focuses light from a distant object A. behind the retina. B. in front of the retina. C. on the retina. D. acceptably, but is too short for the focusing power of the cornea. 13. The rear view mirror of an auto bears the legend Objects in mirror are closer than they appear. This mirror is a mirror. A. plane B. converging C. diverging D. useless 14. In the primary or inner rainbow, the A. outer edge of the bow appears red and the inner edge appears blue or violet. B. outer edge of the bow appears blue or violet and the inner edge appears red. C. outer edge of the bow appears yellow and the inner edge appears green. D. pot of gold is always at the left end. 15. Which of the following pictures most accurately shows light refracting through a smooth planar surface between air and water? Air Air Air Water Water Water A B C

4 16. A rainbow shows separate colors of the spectrum because, at raindrop surfaces, A. red light is bent more than green light. B. blue light is bent more than red light. C. green light is bent more than blue light. D. all colors are bent the same hence the separation. 17. Convex (converging) lenses are worn by A. a farsighted person to make rays from a distant object diverge more strongly. B. a farsighted person to make rays from a nearby object diverge less strongly. C. a nearsighted person to make rays from a distant object diverge more strongly. D. a nearsighted person to make rays from a nearby object diverge less strongly. 18. Rays from a distant object do not diverge enough for a nearsighted person to focus; this can be corrected with a A. converging or concave lens. B. converging or convex lens. C. diverging or concave lens. D. diverging or convex lens. 19. A fish looks up through the smooth surface of the water at a bear directly above it. To the fish, the bear appears to be A. further away than it really is. B. closer to the point directly above the fish than it really is. C. exactly where it really is. D. the bear cannot be seen by the fish, due to total internal reflection. 20. In normal use, the image seen through eyeglasses is A. real. B. virtual. C. both A and B. 21. If a nearsighted man views an object through a tiny hole in an opaque sheet near his eye, the object appears A. brighter and in better focus than without the paper. B. brighter but not as well focused as it is without the paper. C. dimmer but in better focus than without the paper. D. dimmer and not as well focused as it is without the paper.

5 22. A real image of a candle formed with a converging lens can be viewed on a screen placed A. at either focal point of the lens. B. at a single position determined by the distance of the object and the construction of the lens. C. anywhere on the side of the lens from which the light emerges. D. nowhere, that is, it can't be viewed on a screen at all. 23. A woman 1.8 m in height wants a plane mirror so that she can view her full height. The minimum vertical size of such a mirror is A. 3.6 m. B. 1.8 m. C. 0.9 m. D m. E. impossible to say without knowing the viewing distance. 24. A ray emerges from water (n = 1.33) into air. The light ray will A. emerge in air at the same angle as in the water. B. bend toward the normal on the air side. C. bend away from the normal on the air side. 25. Suppose a fish is observed below the surface of a lake. Looking down from above into the water (n = 1.33) the distance the fish appears below the surface is A. less than the fish's actual distance. B. equal to the fish's actual distance. C. greater than the fish's actual distance. 26. A ray of light traveling in a calm pond strikes the surface at an angle of incidence which is 5 less than the critical angle. This ray will A. be refracted away from the normal to the surface in the air. B. be refracted toward the normal to the surface in the air. C. undergo total internal reflection and not enter the air at all. 27. Which of the following optical elements used alone can produce a real image of an object? A. plane mirror B. negative lens C. concave mirror D. prism E. convex mirror 28. An object is placed 20 cm in front of a concave mirror of focal length 10 cm. The image will be formed

6 A. 20 cm in front of the mirror. B. 20 cm behind the mirror. C. 10 cm in front of the mirror. D. 10 cm behind the mirror. E cm behind the mirror. 29. The image of an object placed 20 cm in front of a concave mirror of focal length 10 cm will be A. real and inverted. B. real and erect. C. virtual and inverted. D. virtual and erect. 30. An object is placed 15 cm in front of a diverging lens of focal length -10 cm. The image will be located A cm in front of the lens. B. 3.0 cm behind the lens. C. 3.0 cm in front of the lens. D. 6.0 cm in front of the lens. E. 6.0 cm behind the lens. 31. A 1 cm object is placed 20 cm from a lens. The lens forms a real and inverted image of size 4.0 cm. What is the focal length of the lens? A. 8.0 cm. B. 12 cm. C. 16 cm. D. 20 cm. E. 24 cm. 32. A nearsighted person requires glasses with lenses that are A. converging, to see near objects. B. converging, to see distant objects. C. diverging, to see near objects. D. diverging, to see distant objects.

7 33. In order for a telescope to produce a large magnification one would select lenses of A. long focal length for both objective and eyepiece. B. short focal length for both objective and eyepiece. C. long focal length for the objective and short focal length for the eyepiece. D. short focal length for the objective and long focal length for the eyepiece. 34. One difference between a microscope and a telescope is that the image formed by the objective is A. real for the microscope, but virtual for the telescope. B. real for both, but the image is enlarged for the microscope and reduced for the telescope. C. real for both, but the image is reduced for the microscope and enlarged for the telescope. D. virtual for the microscope, but real for the telescope. 35. A raindrop is doing its part to form a primary rainbow. Red and blue light enter near the top of the raindrop together from the sun. Both red and blue are reflected once at the back surface of the drop, but when the two rays emerge on the sunward side A. the blue ray lies above the red ray and is more nearly horizontal than the red ray. B. the red ray lies above the blue ray and is more nearly horizontal than the blue ray. C. the blue ray lies below the yellow ray and is more nearly horizontal than the yellow ray. D. none of these. 36. The speed of light in a certain type of transparent plastic is 30% slower than the speed of light in air. The index of refraction for that type of plastic is about A B C D Light enters water (n = 1.33) from air. The incident light ray makes a 0.25 angle with the normal to the surface on the air side. What will be the angle made with the normal by the refracted ray on the water side? A B. 1.58º C D. nearly 90

8 38. If the image formed by a concave mirror is closer to the mirror than the object is, then compared to the object, the image will be A. larger and inverted. B. smaller and inverted. C. larger and erect. D. larger and real. 39. One ray that is useful in locating the image formed by a convex mirror is the ray that is incident on the mirror in a path directed toward the focal point. This ray is reflected A. through the center of curvature. B. directly back along its incident path. C. on a path tangent to the mirror. D. on a path parallel to the mirror axis. 40. A curved mirror that cannot produce a real image of an object is. Answer: convex 41. The magnification produced by a plane mirror is (sign and magnitude). Answer: When one observes a scratch on the bottom of a block of clear plastic, the scratch appears to be 2.5 cm below the top surface as viewed from above. The actual thickness of the plastic block is 3.5 cm. The index of refraction of the block is. Answer: Glasses prescribed to correct a farsighted eye will have a (sign) focal length. Answer: positive 44. The objective lens of a high-power microscope will have a (long, short) focal length and will be a lens. Answer: short, positive or converging 45. Parallel light incident on a negative lens will as it emerges. Answer: diverge 46. A prism decomposes incident white light into its constituent colors because of. Answer: dispersion 47. Light passing from air into glass bends the normal to the surface because it is traveling in the glass than in air. Answer: toward slower

Chapter 17 Light and Image Formation

Chapter 17 Light and Image Formation Chapter 7 Light and Image Formation Reflection and Refraction How is an image in a mirror produced? Reflection and Image Formation In chapter 6 we studied physical optics, which involve wave aspects of

More information

2) A convex lens is known as a diverging lens and a concave lens is known as a converging lens. Answer: FALSE Diff: 1 Var: 1 Page Ref: Sec.

2) A convex lens is known as a diverging lens and a concave lens is known as a converging lens. Answer: FALSE Diff: 1 Var: 1 Page Ref: Sec. Physics for Scientists and Engineers, 4e (Giancoli) Chapter 33 Lenses and Optical Instruments 33.1 Conceptual Questions 1) State how to draw the three rays for finding the image position due to a thin

More information

AP Physics B Ch. 23 and Ch. 24 Geometric Optics and Wave Nature of Light

AP Physics B Ch. 23 and Ch. 24 Geometric Optics and Wave Nature of Light AP Physics B Ch. 23 and Ch. 24 Geometric Optics and Wave Nature of Light Name: Period: Date: MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Reflection,

More information

Physics 1653 Final Exam - Review Questions

Physics 1653 Final Exam - Review Questions Chapter 22 Reflection & Refraction Physics 1653 Final Exam - Review Questions 1. The photon energy for light of wavelength 500 nm is approximately A) 1.77 ev B) 3.10 ev C) 6.20 ev D) 2.48 ev E) 5.46 ev

More information

Convex Mirrors. Ray Diagram for Convex Mirror

Convex Mirrors. Ray Diagram for Convex Mirror Convex Mirrors Center of curvature and focal point both located behind mirror The image for a convex mirror is always virtual and upright compared to the object A convex mirror will reflect a set of parallel

More information

Law of Reflection. The angle of incidence (i) is equal to the angle of reflection (r)

Law of Reflection. The angle of incidence (i) is equal to the angle of reflection (r) Light GCSE Physics Reflection Law of Reflection The angle of incidence (i) is equal to the angle of reflection (r) Note: Both angles are measured with respect to the normal. This is a construction line

More information

RAY OPTICS II 7.1 INTRODUCTION

RAY OPTICS II 7.1 INTRODUCTION 7 RAY OPTICS II 7.1 INTRODUCTION This chapter presents a discussion of more complicated issues in ray optics that builds on and extends the ideas presented in the last chapter (which you must read first!)

More information

Geometric Optics. Chapter 34. Goals for Chapter 34. Reflection at a plane surface. Introduction How do magnifying lenses work?

Geometric Optics. Chapter 34. Goals for Chapter 34. Reflection at a plane surface. Introduction How do magnifying lenses work? Goals for Chapter 34 Chapter 34 To see how plane and curved mirrors form images To learn how lenses form images Geometric Optics To understand how a camera works To analyze defects in vision and how to

More information

Objectives 426 CHAPTER 10 LIGHT AND OPTICAL SYSTEMS

Objectives 426 CHAPTER 10 LIGHT AND OPTICAL SYSTEMS Objectives Explain what is meant by the curvature and focal length of mirrors and lenses. Explain how curvature and focal length are related. Use light rays to trace light from an object to a mirror to

More information

Light and its effects

Light and its effects Light and its effects Light and the speed of light Shadows Shadow films Pinhole camera (1) Pinhole camera (2) Reflection of light Image in a plane mirror An image in a plane mirror is: (i) the same size

More information

Lenses. Types of Lenses (The word lens is derived from the Latin word lenticula, which means lentil. A lens is in the shape of a lentil.

Lenses. Types of Lenses (The word lens is derived from the Latin word lenticula, which means lentil. A lens is in the shape of a lentil. Lenses Notes_10_ SNC2DE_09-10 Types of Lenses (The word lens is derived from the Latin word lenticula, which means lentil. A lens is in the shape of a lentil. ) Most lenses are made of transparent glass

More information

Chapter 27 Optical Instruments. 27.1 The Human Eye and the Camera 27.2 Lenses in Combination and Corrective Optics 27.3 The Magnifying Glass

Chapter 27 Optical Instruments. 27.1 The Human Eye and the Camera 27.2 Lenses in Combination and Corrective Optics 27.3 The Magnifying Glass Chapter 27 Optical Instruments 27.1 The Human Eye and the Camera 27.2 Lenses in Combination and Corrective Optics 27.3 The Magnifying Glass Figure 27 1 Basic elements of the human eye! Light enters the

More information

L 33 Light and Optics [3] Image formation with lenses. converging lens. Diverging lens. Law of reflection angle of incidence = angle of reflection

L 33 Light and Optics [3] Image formation with lenses. converging lens. Diverging lens. Law of reflection angle of incidence = angle of reflection L 33 Light and Optics [3] s formed by s plane s curved s concave convex mages formed by lenses the human eye correcting vision problems nearsightedness farsightedness astigmatism depth perception Law of

More information

Unit 3 Lesson 3 Mirrors and Lenses How do mirrors and lenses work?

Unit 3 Lesson 3 Mirrors and Lenses How do mirrors and lenses work? Big Idea: Visible light is the small part of the electromagnetic spectrum that is essential for human vision Unit 3 Lesson 3 Mirrors and Lenses How do mirrors and lenses work? Copyright Houghton Mifflin

More information

Physics 9 th Standard Chapter 10 LENS Fill in the blanks 1. A transparent material which is thicker in the middle and thinner at the edges is called

Physics 9 th Standard Chapter 10 LENS Fill in the blanks 1. A transparent material which is thicker in the middle and thinner at the edges is called Physics 9 th Standard Chapter 10 LENS Fill in the blanks 1. A transparent material which is thicker in the middle and thinner at the edges is called convex lens 2. An object should be placed at twice the

More information

A STUDY OF LENSES INTRODUCTION. LAB LIGH.1 From Laboratory Manual of Elementary Physics, Westminster College

A STUDY OF LENSES INTRODUCTION. LAB LIGH.1 From Laboratory Manual of Elementary Physics, Westminster College A STUDY OF LENSES LAB LIGH.1 From Laboratory Manual of Elementary Physics, Westminster College INTRODUCTION A lens is a piece of transparent material bounded by two curved surfaces or a curved surface

More information

Ray Optics 11/96. Physical Science 101 Name Section. Partner s Name

Ray Optics 11/96. Physical Science 101 Name Section. Partner s Name Physical Science 101 Name Section Partner s Name Purpose: The purpose of this lab is to study the laws of reflection and refraction for flat surfaces and to find out how converging lenses and converging

More information

Physics I Honors: Chapter 14 Practice Test - Refraction of Light

Physics I Honors: Chapter 14 Practice Test - Refraction of Light Physics I Honors: Chapter 14 Practice Test - Refraction of Light Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Refraction is the bending

More information

Page 1 Class 10 th Physics LIGHT REFLECTION AND REFRACTION

Page 1 Class 10 th Physics LIGHT REFLECTION AND REFRACTION Page 1 LIGHT Light is a form of energy, which induces the sensation of vision in our eyes and makes us able to see various things present in our surrounding. UNITS OF LIGHT Any object which has an ability

More information

Chapter 23. Ray Optics. Chapter 23. Ray Optics. What is specular reflection? Chapter 23. Reading Quizzes

Chapter 23. Ray Optics. Chapter 23. Ray Optics. What is specular reflection? Chapter 23. Reading Quizzes Chapter 23. Ray Optics Chapter 23. Ray Optics Our everyday experience that light travels in straight lines is the basis of the ray model of light. Ray optics apply to a variety of situations, including

More information

Lecture 14 Images Chapter 34

Lecture 14 Images Chapter 34 Lecture 4 Images Chapter 34 Preliminary topics before mirrors and lenses Law of Reflection Dispersion Snell s Law Brewsters Angle Law of Reflection Dispersion Snell s Law Brewsters Angle Geometrical Optics:Study

More information

It bends away from the normal, like this. So the angle of refraction, r is greater than the angle of incidence, i.

It bends away from the normal, like this. So the angle of refraction, r is greater than the angle of incidence, i. Physics 1403 Lenses It s party time, boys and girls, because today we wrap up our study of physics. We ll get this party started in a bit, but first, you have some more to learn about refracted light.

More information

Thin Lenses Drawing Ray Diagrams

Thin Lenses Drawing Ray Diagrams Drawing Ray Diagrams Fig. 1a Fig. 1b In this activity we explore how light refracts as it passes through a thin lens. Eyeglasses have been in use since the 13 th century. In 1610 Galileo used two lenses

More information

THE REFRACTION OF LIGHT: LENSES AND OPTICAL INSTRUMENTS

THE REFRACTION OF LIGHT: LENSES AND OPTICAL INSTRUMENTS CHAPTER 26 THE RERACTION O LIGHT: LENSES AND OPTICAL INSTRUMENTS CONCEPTUAL QUESTIONS 1. REASONING AND SOLUTION Since the index of refraction of water is greater than that of air, the ray in igure 26.2a

More information

C) D) As object AB is moved from its present position toward the left, the size of the image produced A) decreases B) increases C) remains the same

C) D) As object AB is moved from its present position toward the left, the size of the image produced A) decreases B) increases C) remains the same 1. For a plane mirror, compared to the object distance, the image distance is always A) less B) greater C) the same 2. Which graph best represents the relationship between image distance (di) and object

More information

Refraction and Lenses. Snell s Law Total internal reflection Dispersion Absorption Scattering

Refraction and Lenses. Snell s Law Total internal reflection Dispersion Absorption Scattering Refraction and Lenses Snell s Law Total internal reflection Dispersion Absorption Scattering Refraction Two things happen when a light ray is incident on a smooth boundary between two transparent materials:

More information

The diagram below shows the image formed on the film when Moana takes a picture.

The diagram below shows the image formed on the film when Moana takes a picture. WAVES: LENSES QUESTIONS LENSES AND REFRACTION (2015;2) Tom uses a convex lens as a magnifying glass. He puts a petal of a flower 2.0 cm in front of the lens to study it. The lens has a focal length of

More information

Lecture PowerPoints. Chapter 23 Physics: Principles with Applications, 7th edition Giancoli

Lecture PowerPoints. Chapter 23 Physics: Principles with Applications, 7th edition Giancoli Lecture PowerPoints Chapter 23 Physics: Principles with Applications, 7th edition Giancoli This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching

More information

1. You stand two feet away from a plane mirror. How far is it from you to your image? a. 2.0 ft c. 4.0 ft b. 3.0 ft d. 5.0 ft

1. You stand two feet away from a plane mirror. How far is it from you to your image? a. 2.0 ft c. 4.0 ft b. 3.0 ft d. 5.0 ft Lenses and Mirrors 1. You stand two feet away from a plane mirror. How far is it from you to your image? a. 2.0 ft c. 4.0 ft b. 3.0 ft d. 5.0 ft 2. Which of the following best describes the image from

More information

Chapter 36 - Lenses. A PowerPoint Presentation by Paul E. Tippens, Professor of Physics Southern Polytechnic State University

Chapter 36 - Lenses. A PowerPoint Presentation by Paul E. Tippens, Professor of Physics Southern Polytechnic State University Chapter 36 - Lenses A PowerPoint Presentation by Paul E. Tippens, Professor of Physics Southern Polytechnic State University 2007 Objectives: After completing this module, you should be able to: Determine

More information

PHYSICS 262 GEOMETRIC OPTICS

PHYSICS 262 GEOMETRIC OPTICS PHYSICS 262 GEOMETRIC OPTICS Part I Position and Size of Image: Cardinal Points If the indices of refraction of all elements are known, together with the positions and radii of curvature of all surfaces,

More information

LIGHT REFLECTION AND REFRACTION

LIGHT REFLECTION AND REFRACTION QUESTION BANK IN SCIENCE CLASS-X (TERM-II) 10 LIGHT REFLECTION AND REFRACTION CONCEPTS To revise the laws of reflection at plane surface and the characteristics of image formed as well as the uses of reflection

More information

waves rays Consider rays of light from an object being reflected by a plane mirror (the rays are diverging): mirror object

waves rays Consider rays of light from an object being reflected by a plane mirror (the rays are diverging): mirror object PHYS1000 Optics 1 Optics Light and its interaction with lenses and mirrors. We assume that we can ignore the wave properties of light. waves rays We represent the light as rays, and ignore diffraction.

More information

April 29. Physics 272. Spring Prof. Philip von Doetinchem

April 29. Physics 272. Spring Prof. Philip von Doetinchem Physics 272 April 29 Spring 2014 http://www.phys.hawaii.edu/~philipvd/pvd_14_spring_272_uhm.html Prof. Philip von Doetinchem philipvd@hawaii.edu Phys272 - Spring 14 - von Doetinchem - 411 Summary Object

More information

Lesson 29: Lenses. Double Concave. Double Convex. Planoconcave. Planoconvex. Convex meniscus. Concave meniscus

Lesson 29: Lenses. Double Concave. Double Convex. Planoconcave. Planoconvex. Convex meniscus. Concave meniscus Lesson 29: Lenses Remembering the basics of mirrors puts you half ways towards fully understanding lenses as well. The same sort of rules apply, just with a few modifications. Keep in mind that for an

More information

Light and Sound. Pupil Booklet

Light and Sound. Pupil Booklet Duncanrig Secondary School East Kilbride S2 Physics Elective Light and Sound Name: Pupil Booklet Class: SCN 3-11a - By exploring the refraction of light when passed through different materials, lenses

More information

How Do Lenses and Mirrors Affect Light?

How Do Lenses and Mirrors Affect Light? Essential Question How Do Lenses and Mirrors Affect Light? What reflective surfaces do you see in your classroom? What are the different properties of these surfaces that make some reflections better than

More information

Lecture 17. Image formation Ray tracing Calculation. Lenses Convex Concave. Mirrors Convex Concave. Optical instruments

Lecture 17. Image formation Ray tracing Calculation. Lenses Convex Concave. Mirrors Convex Concave. Optical instruments Lecture 17. Image formation Ray tracing Calculation Lenses Convex Concave Mirrors Convex Concave Optical instruments Image formation Laws of refraction and reflection can be used to explain how lenses

More information

Physics 6C Summer 2006 Homework 3 Solutions by Michael Gary

Physics 6C Summer 2006 Homework 3 Solutions by Michael Gary Physics 6C Summer 2006 Homework 3 Solutions by Michael Gary All problems are from the 2 nd etion of Walker. Numerical values are fferent for each student. 1. Chapter 26, Problem 1: A laser beam is reflected

More information

LIGHT SECTION 6-REFRACTION-BENDING LIGHT From Hands on Science by Linda Poore, 2003.

LIGHT SECTION 6-REFRACTION-BENDING LIGHT From Hands on Science by Linda Poore, 2003. LIGHT SECTION 6-REFRACTION-BENDING LIGHT From Hands on Science by Linda Poore, 2003. STANDARDS: Students know an object is seen when light traveling from an object enters our eye. Students will differentiate

More information

Geometric Optics Physics 118/198/212. Geometric Optics

Geometric Optics Physics 118/198/212. Geometric Optics Background Geometric Optics This experiment deals with image formation with lenses. We will use what are referred to as thin lenses. Thin lenses are ordinary lenses like eyeglasses and magnifiers, but

More information

Geometric Optics Physics Leaving Cert Quick Notes

Geometric Optics Physics Leaving Cert Quick Notes Geometric Optics Physics Leaving Cert Quick Notes Geometric Optics Properties of light Light is a form of energy. As such it can be converted into other forms of energy. We can demonstrate this using a

More information

EXPERIMENT 6 OPTICS: FOCAL LENGTH OF A LENS

EXPERIMENT 6 OPTICS: FOCAL LENGTH OF A LENS EXPERIMENT 6 OPTICS: FOCAL LENGTH OF A LENS The following website should be accessed before coming to class. Text reference: pp189-196 Optics Bench a) For convenience of discussion we assume that the light

More information

Lecture PowerPoints. Chapter 23 Physics: Principles with Applications, 7 th edition Giancoli

Lecture PowerPoints. Chapter 23 Physics: Principles with Applications, 7 th edition Giancoli Lecture PowerPoints Chapter 23 Physics: Principles with Applications, 7 th edition Giancoli This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching

More information

Solution Derivations for Capa #13

Solution Derivations for Capa #13 Solution Derivations for Capa #13 1) A super nova releases 1.3 10 45 J of energy. It is 1540 ly from earth. If you were facing the star in question, and your face was a circle 7 cm in radius, how much

More information

Question 2: The radius of curvature of a spherical mirror is 20 cm. What is its focal length?

Question 2: The radius of curvature of a spherical mirror is 20 cm. What is its focal length? Question 1: Define the principal focus of a concave mirror. ANS: Light rays that are parallel to the principal axis of a concave mirror converge at a specific point on its principal axis after reflecting

More information

(text on screen) VO In diffuse reflection, parallel incident light rays are reflected in different directions.

(text on screen) VO In diffuse reflection, parallel incident light rays are reflected in different directions. Physics 1401 Mirrors You ve probably heard the old saying, The end is in sight. Well, that saying applies doubly to our class. Not only do we start the final unit that ends our year of physics but today

More information

1 of 9 2/9/2010 3:38 PM

1 of 9 2/9/2010 3:38 PM 1 of 9 2/9/2010 3:38 PM Chapter 23 Homework Due: 8:00am on Monday, February 8, 2010 Note: To understand how points are awarded, read your instructor's Grading Policy. [Return to Standard Assignment View]

More information

Understanding Spherical Mirrors

Understanding Spherical Mirrors [ Assignment View ] [ Eðlisfræði 2, vor 2007 34. Geometric Optics and Optical Instruments Assignment is due at 2:00am on Wednesday, January 17, 2007 Credit for problems submitted late will decrease to

More information

Chapter 23. The Refraction of Light: Lenses and Optical Instruments

Chapter 23. The Refraction of Light: Lenses and Optical Instruments Chapter 23 The Refraction of Light: Lenses and Optical Instruments Lenses Converging and diverging lenses. Lenses refract light in such a way that an image of the light source is formed. With a converging

More information

PROPERTIES OF THIN LENSES. Paraxial-ray Equations

PROPERTIES OF THIN LENSES. Paraxial-ray Equations PROPERTIES OF THIN LENSES Object: To measure the focal length of lenses, to verify the thin lens equation and to observe the more common aberrations associated with lenses. Apparatus: PASCO Basic Optical

More information

Introduction (Read Before Lab up to Experimental Procedure) Snell s Law

Introduction (Read Before Lab up to Experimental Procedure) Snell s Law GEOMETRIC OPTICS Introduction (Read Before Lab up to Experimental Procedure) In this lab you will measure the index of refraction of glass using Snell s Law, study the application of the laws of geometric

More information

Physics I Honors: Chapter 13 Practice Test

Physics I Honors: Chapter 13 Practice Test Physics I Honors: Chapter 13 Practice Test Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which portion of the electromagnetic spectrum

More information

Light Reflection of Light

Light Reflection of Light Light Reflection of Light 1. (a) What do you understand by the following terms? (i) Light (ii) Diffused light. (b) By giving one example and one use explain or define (i) regular reflection (ii) irregular

More information

Study Guide for Exam on Light

Study Guide for Exam on Light Name: Class: Date: Study Guide for Exam on Light Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which portion of the electromagnetic spectrum is used

More information

GEOMETRICAL OPTICS. Lens Prism Mirror

GEOMETRICAL OPTICS. Lens Prism Mirror GEOMETRICAL OPTICS Geometrical optics is the treatment of the passage of light through lenses, prisms, etc. by representing the light as rays. A light ray from a source goes in a straight line through

More information

Rutgers Analytical Physics 750:228, Spring 2016 ( RUPHY228S16 )

Rutgers Analytical Physics 750:228, Spring 2016 ( RUPHY228S16 ) 1 of 13 2/17/2016 5:28 PM Signed in as Weida Wu, Instructor Help Sign Out Rutgers Analytical Physics 750:228, Spring 2016 ( RUPHY228S16 ) My Courses Course Settings University Physics with Modern Physics,

More information

Chapter 24. Optical Instruments. Chapter 24. Optical Instruments. With what unit is lens power measured? Chapter 24.

Chapter 24. Optical Instruments. Chapter 24. Optical Instruments. With what unit is lens power measured? Chapter 24. Chapter 24. Optical Instruments From eyeglasses to microscopes and telescopes, our everyday world is filled with optical instruments, devices that aid our senses by using lenses and mirrors to form images

More information

PRACTICAL APPLICATIONS

PRACTICAL APPLICATIONS PRACTICAL APPLICATIONS OF OPTICAL LENSES: TELESCOPES & PROJECTORS By Diane Kasparie & Mary Young PRACTICAL APPLICATION OF OPTICAL LENSES: TELESCOPES & PROJECTORS Light & Sound workshop SUMMER INSTITUTE:

More information

Geometrical Optics - Grade 11

Geometrical Optics - Grade 11 OpenStax-CNX module: m32832 1 Geometrical Optics - Grade 11 Rory Adams Free High School Science Texts Project Mark Horner Heather Williams This work is produced by OpenStax-CNX and licensed under the Creative

More information

Solution Derivations for Capa #14

Solution Derivations for Capa #14 Solution Derivations for Capa #4 ) An image of the moon is focused onto a screen using a converging lens of focal length (f = 34.8 cm). The diameter of the moon is 3.48 0 6 m, and its mean distance from

More information

Basic Optics System OS-8515C

Basic Optics System OS-8515C 40 50 30 60 20 70 10 80 0 90 80 10 20 70 T 30 60 40 50 50 40 60 30 C 70 20 80 10 90 90 0 80 10 70 20 60 50 40 30 Instruction Manual with Experiment Guide and Teachers Notes 012-09900B Basic Optics System

More information

15 Imaging ESSENTIAL IDEAS. How we see images. Option C. Understanding the human eye

15 Imaging ESSENTIAL IDEAS. How we see images. Option C. Understanding the human eye Option C 15 Imaging ESSENTIAL IDEAS The progress of a wave can be modelled using the ray or the wavefront. The change in wave speed when moving between media changes the shape of the wave. Optical microscopes

More information

Physics 25 Exam 3 November 3, 2009

Physics 25 Exam 3 November 3, 2009 1. A long, straight wire carries a current I. If the magnetic field at a distance d from the wire has magnitude B, what would be the the magnitude of the magnetic field at a distance d/3 from the wire,

More information

9/16 Optics 1 /11 GEOMETRIC OPTICS

9/16 Optics 1 /11 GEOMETRIC OPTICS 9/6 Optics / GEOMETRIC OPTICS PURPOSE: To review the basics of geometric optics and to observe the function of some simple and compound optical devices. APPARATUS: Optical bench, lenses, mirror, target

More information

Lab #1: Geometric Optics

Lab #1: Geometric Optics Physics 123 Union College Lab #1: Geometric Optics I. Introduction In geometric optics, the ray approximation is combined with the laws of reflection and refraction and geometry to determine the location

More information

radiation1 1the larger the objective diameter, the greater the ability to resolve fine detail on the object. You will find a discussion of

radiation1 1the larger the objective diameter, the greater the ability to resolve fine detail on the object. You will find a discussion of F1 The ray diagram for a simple astronomical refracting telescope is shown in Figure 23. The focal points of the f o f e objective and the eyepiece F e, F are normally made to o θ o θ coincide so that

More information

1. Reflection, Refraction, and Geometric Optics (Chapters 33 and 34) [ Edit ]

1. Reflection, Refraction, and Geometric Optics (Chapters 33 and 34) [ Edit ] 1 of 17 2/8/2016 9:34 PM Signed in as Weida Wu, Instructor Help Sign Out My Courses Course Settings University Physics with Modern Physics, 14e Young/Freedman Instructor Resources etext Study Area ( RUPHY228S16

More information

Science In Action 8 Unit C - Light and Optical Systems. 1.1 The Challenge of light

Science In Action 8 Unit C - Light and Optical Systems. 1.1 The Challenge of light 1.1 The Challenge of light 1. Pythagoras' thoughts about light were proven wrong because it was impossible to see A. the light beams B. dark objects C. in the dark D. shiny objects 2. Sir Isaac Newton

More information

Waves and Modern Physics PHY Spring 2012

Waves and Modern Physics PHY Spring 2012 Waves and Modern Physics PHY 123 - Spring 2012 1st Midterm Exam Wednesday, February 22 Chapter 32 Light: Reflec2on and Refrac2on Units of Chapter 32 Today we will cover: The Ray Model of Light Reflection;

More information

Curved surfaces and lenses

Curved surfaces and lenses Curved surfaces and lenses (Material taken from: Optics, by E. Hecht, 4th Ed., Ch: 5) One of the important challenges pertaining to the practical aspects of optics is wave shaping, i.e. controlling the

More information

Eighth Grade Electromagnetic Radiation and Light Assessment

Eighth Grade Electromagnetic Radiation and Light Assessment Eighth Grade Electromagnetic Radiation and Light Assessment 1a. Light waves are the only waves that can travel through. a. space b. solids 1b. Electromagnetic waves, such as light, are the only kind of

More information

Multiple Element Optical Systems

Multiple Element Optical Systems O4 ultiple Element Optical Systems Introduction Optical elements and systems irrors Lenses Systems Instruments O4. Introduction In this section we will be presented with a series of examples to illustrate

More information

7/06 Geometric Optics GEOMETRIC OPTICS JUPITER THROUGH A REPLICA OF GALILEO'S TELESCOPE

7/06 Geometric Optics GEOMETRIC OPTICS JUPITER THROUGH A REPLICA OF GALILEO'S TELESCOPE GEOMETRIC OPTICS JUPITER THROUGH A REPLICA OF GALILEO'S TELESCOPE The four Galilean moons of Jupiter (from left: Europa, Callisto, Io and Ganymede): a 6 sec exposure taken on Nov. 28, 2002 at approximately

More information

Turnbull High School Physics Department. CfE. National 4 /National. Physics. Unit 1: Waves and Radiation. Section 3: Light

Turnbull High School Physics Department. CfE. National 4 /National. Physics. Unit 1: Waves and Radiation. Section 3: Light Turnbull High School Physics Department CfE National 4 /National 5 Physics Unit 1: Waves and Radiation Section 3: Light Name: Class: 1 National 5 Unit 1: Section 3 I can state the law of reflection and

More information

Physics 212 Lecture 28

Physics 212 Lecture 28 Physics 22 Lecture 28 Today s Concept: A) Optical Devices Electricity & Magnetism Lecture 28, Slide Your Comments Hey! What would be the format of the final exam? Would it have an equal amount of stuff

More information

Ozobot Bit Classroom Application: Demonstration of the Optics of Thin Convex and Concave Lenses

Ozobot Bit Classroom Application: Demonstration of the Optics of Thin Convex and Concave Lenses OZO AP P EAM TR T S BO RO VE D Ozobot Bit Classroom Application: Demonstration of the Optics of Thin Convex and Concave Lenses Created by Richard Born Associate Professor Emeritus Northern Illinois University

More information

Size Of the Image Nature Of the Image At Infinity At the Focus Highly Diminished, Point Real and Inverted

Size Of the Image Nature Of the Image At Infinity At the Focus Highly Diminished, Point Real and Inverted CHAPTER-10 LIGHT REFLECTION AND REFRACTION Light rays; are; electromagnetic in nature, and do not need material medium for Propagation Speed of light in vacuum in 3*10 8 m/s When a light ray falls on a

More information

O5: Lenses and the refractor telescope

O5: Lenses and the refractor telescope O5. 1 O5: Lenses and the refractor telescope Introduction In this experiment, you will study converging lenses and the lens equation. You will make several measurements of the focal length of lenses and

More information

Students at MIT did a feasibility study. See Light: Geometric Optics

Students at MIT did a feasibility study. See  Light: Geometric Optics Ch-23-1 Chapter 23 : Light - Geometric Optics Questions 1. Archimedes is said to have burned the whole Roman fleet in the harbor of Syracuse, Italy, by focusing the rays of the Sun with a huge spherical

More information

Physics 116. Nov 4, 2011. Session 22 Review: ray optics. R. J. Wilkes Email: ph116@u.washington.edu

Physics 116. Nov 4, 2011. Session 22 Review: ray optics. R. J. Wilkes Email: ph116@u.washington.edu Physics 116 Session 22 Review: ray optics Nov 4, 2011 R. J. Wilkes Email: ph116@u.washington.edu ! Exam 2 is Monday!! All multiple choice, similar to HW problems, same format as Exam 1!!! Announcements

More information

Christian Huygen Light is a wave, not merely a ray As waves propagate each point on the wavefront produces new wavelets. Wave Nature of Light

Christian Huygen Light is a wave, not merely a ray As waves propagate each point on the wavefront produces new wavelets. Wave Nature of Light Wave Nature of Light Christian Huygen Light is a wave, not merely a ray As waves propagate each point on the wavefront produces new wavelets Chapter 24 Wavelength Changes Wavelength of light changes in

More information

7.2. Focusing devices: Unit 7.2. context. Lenses and curved mirrors. Lenses. The language of optics

7.2. Focusing devices: Unit 7.2. context. Lenses and curved mirrors. Lenses. The language of optics context 7.2 Unit 7.2 ocusing devices: Lenses and curved mirrors Light rays often need to be controlled and ed to produce s in optical instruments such as microscopes, cameras and binoculars, and to change

More information

P222. Optics Supplementary Note # 3: Mirrors Alex R. Dzierba Indiana University. θ θ. Plane Mirrors

P222. Optics Supplementary Note # 3: Mirrors Alex R. Dzierba Indiana University. θ θ. Plane Mirrors P222 Optics Supplementary Note # 3: Mirrors Alex R. Dzierba Indiana University Plane Mirrors Let s talk about mirrors. We start with the relatively simple case of plane mirrors. Suppose we have a source

More information

Physics 202 Spring 2010 Practice Questions for Chapters 31-33

Physics 202 Spring 2010 Practice Questions for Chapters 31-33 Physics 202 Spring 2010 Practice Questions for Chapters 31-33 1. Mission Control sends a brief wake-up call to astronauts in a distant spaceship. Five seconds after the call is sent, Mission Control hears

More information

SPH3UW Unit 7.8 Multiple Lens Page 1 of 5

SPH3UW Unit 7.8 Multiple Lens Page 1 of 5 SPH3UW Unit 7.8 Multiple Lens Page of 5 Notes Physics Tool box Thin Lens is an optical system with two refracting surfaces. The most simplest thin lens contain two spherical surfaces that are close enough

More information

Image Formation by Spherical Mirrors

Image Formation by Spherical Mirrors Image Formation by Spherical Mirrors Project : OSCAR Developer : Dhanya.P Contents 1. Terminologies associated with Spherical/curved mirrors. 2. Rules of reflection for curved mirrors. 3. Mirror Equations

More information

Chapter 36. Image Formation

Chapter 36. Image Formation Chapter 36 Image Formation CHAPTER OUTLINE 36. Images Formed by Flat Mirrors 36.2 Images Formed by Spherical Mirrors 36.3 Images Formed by Refraction 36.4 Thin Lenses 36.5 Lens Aberrations 36.6 The Camera

More information

The Thin Convex Lens convex lens focal point thin lens thin convex lens real images

The Thin Convex Lens convex lens focal point thin lens thin convex lens real images 1 The Thin Convex Lens In the previous experiment, we observed the phenomenon of refraction for a rectangular piece of glass. The bending or refraction of the light was observed for two parallel interfaces,

More information

Problems. .,..,... : Problems of increasing difficulty. CP: Cumulative problems incorporating material from earlier chapters.

Problems. .,..,... : Problems of increasing difficulty. CP: Cumulative problems incorporating material from earlier chapters. 1154 CHAPTER 34 Geometric Optics Problems For instructor-assigned homework, go to www.masteringphysics.com.,..,... : Problems of increasing difficulty. CP: Cumulative problems incorporating material from

More information

Chapter 22: Mirrors and Lenses

Chapter 22: Mirrors and Lenses Chapter 22: Mirrors and Lenses How do you see sunspots? When you look in a mirror, where is the face you see? What is a burning glass? Make sure you know how to:. Apply the properties of similar triangles;

More information

PHY208FALL2008. Week3HW. Is Light Reflected or Refracted? Due at 11:59pm on Sunday, September 21, [ Print ] View Grading Details

PHY208FALL2008. Week3HW. Is Light Reflected or Refracted? Due at 11:59pm on Sunday, September 21, [ Print ] View Grading Details Assignment Display Mode: View Printable Answers PHY208FALL2008 Week3HW [ Print ] Due at 11:59pm on Sunday, September 21, 2008 View Grading Details The next exercise is about reflection and refraction of

More information

Lecture Notes for Chapter 34: Images

Lecture Notes for Chapter 34: Images Lecture Notes for hapter 4: Images Disclaimer: These notes are not meant to replace the textbook. Please report any inaccuracies to the professor.. Spherical Reflecting Surfaces Bad News: This subject

More information

The light. Light (normally spreads out straight... ... and into all directions. Refraction of light

The light. Light (normally spreads out straight... ... and into all directions. Refraction of light The light Light (normally spreads out straight...... and into all directions. Refraction of light But when a light ray passes from air into glas or water (or another transparent medium), it gets refracted

More information

Physics 101 HW#10 Solutions Koskelo

Physics 101 HW#10 Solutions Koskelo Physics 101 HW#10 Solutions Koskelo 1.) a.) Light slows down when it enters a material. What is actually going on (on a microscopic scale) that causes this to happen? The light is actually passed from

More information

Crooke s Radiometer. Solar Panels

Crooke s Radiometer. Solar Panels Physics Light 1 2 E B 3 Crooke s Radiometer Solar Panels 4 5 Pin Hole Camera Object (Candle) Image (Inverted & Size) 6 7 8 Regular Diffuse e.g. mirrors e.g. page 9 Mirror Page 10 Regular Diffuse 11 Plane

More information

Understanding the Microscope - part 2 Elementary Optical Principles

Understanding the Microscope - part 2 Elementary Optical Principles Understanding the Microscope - part 2 Elementary Optical Principles This second article considers the fundamental principles that govern firstly how an image is formed from rays of light, and secondly

More information

Which type of electromagnetic radiation would be used to take the photograph? ... (1)

Which type of electromagnetic radiation would be used to take the photograph? ... (1) Q. After a person is injured a doctor will sometimes ask for a photograph to be taken of the patient s bone structure, e.g. in the case of a suspected broken arm. (i) Which type of electromagnetic radiation

More information

Class 10 Reflection and refraction of Light

Class 10 Reflection and refraction of Light Class 10 Reflection and refraction of Light Light is the form of energy having both wave and particle nature. Speed of light in vacuum is 3 lakhs km/s Reflection of Light by plane and Spherical Mirrors

More information