# Procedure: Geometrical Optics. Theory Refer to your Lab Manual, pages Equipment Needed

Save this PDF as:

Size: px
Start display at page:

## Transcription

1 Theory Refer to your Lab Manual, pages Geometrical Optics Equipment Needed Light Source Ray Table and Base Three-surface Mirror Convex Lens Ruler Optics Bench Cylindrical Lens Concave Lens Rhombus Compass Procedure: PART 1: Plane Mirror Determine how rays are reflected in a plane mirror. 1. Mount the Ray Table and the Light Source on the Optics Bench. 2. Place the ray table on the base with the degree scale facing up. 3. Position the light source near the edge of the ray table. Adjust the slit mask on the light source so that only one light ray shines across the top of the ray table, along the Normal line. 4. Place the three-surface mirror on the component line of the ray table with the plane surface of the mirror facing the light source. 5. On a white sheet of paper draw to scale your arrangement of the plane mirror, incident ray and reflected rays. 6. Without disturbing the alignment of the plane mirror rotate the ray table and set the angle of incidence to 15 o. Record the corresponding angle of refraction on Data Table 1. Both angles should be measured from the normal line. 7. Draw the incident and reflected rays on your paper, use arrowheads to indicate the direction of propagation and record the angles for each. 8. Repeat step #6 - #7, set the angle of incidence to 30 o, 45 o, 60 o, 75 o and 90 o, record the angle of refraction for each on Data Table 1 and draw the incident and reflected rays on your paper. 9. Adjust the ray box so it produces the three primary color rays. Shine the colored rays at an angle to the plane mirror. On another sheet of paper mark the position of the surface of the plane mirror and trace the incident and reflected rays. Indicate the colors of the incoming and the outgoing rays and mark them with arrows in the appropriate directions. 1

2 PART 2: Concave and Convex Mirror Determine the focal length and curvature of a concave mirror and a convex mirror. 1. Adjust the slit mask so that five light rays shine across the top of the ray table, along the normal line. 2. Place the three-surface mirror with its concave surface facing the light source and the center light ray shining on the center of the concave mirror. 3. Place a white sheet of paper on the ray table under the concave mirror, trace the outline of the mirror and trace the incident and reflected rays. 4. Remove the sheet of paper from the ray table. Use arrows to indicate the incoming and outgoing rays. 5. Determine the focal point of the mirror, this is the place where the five reflected rays cross each other. 5. Measure the focal length from the center of the concave mirror to the focal point. Record in Data Table Use a compass to draw a circle that matches the curvature of the mirror. Measure the radius of curvature using a ruler and compare it to the focal length. 7. Repeat steps #2 - #8 for the convex surface of the mirror. Note that the reflected rays are diverging and will not cross. Use a ruler to extend the reflected rays back behind the mirror s surface. The focal point is where these extended rays cross. PART 3: Snell s Law Use Snell s Law to determine the index of refraction of the acrylic rhombus. 1. Position the light source near the edge of the ray table. Adjust the slit mask until one light ray shines across. 2. Place a white sheet of paper on top of the ray table. Place the rhombus on the center of the table, position it so that the single ray light passes through the parallel sides of the rhombus, as shown below. Rhombus Light Source θ i Normal to Surface 2

3 3. Mark the position of the parallel surfaces of the rhombus and trace the incident and transmitted rays. Indicate the incoming and the outgoing rays with arrows in the appropriate directions. Mark carefully where the ray enters and leaves the rhombus. 4. Remove the rhombus and on the paper draw a line connecting the points where the ray entered and left the rhombus. You should also extend the refracted ray in the rhombus for easier measurement. 5. Choose the point where the ray enters the rhombus. At this point, draw the normal to the surface. 6. Measure the angle of incidence (θ i ) and the angle of refraction (θ r ) with a protractor. Both these angles should be measured from the normal. Record the angles in Data Table #3. 7. Change the angle of incidence and measure the incident and refracted angles again. Repeat this procedure for a total of three different incident angles. 8. Using Snell s Law, calculate the index of refraction for the acrylic rhombus and record in Data Table #3. 9. Obtain the average value for the index of refraction and compare to the accepted value of n = 1.5 by calculating the percent error. PART 4: Total Internal Reflection Determine the critical angle at which total internal reflection occurs. 1. Position the light source near the edge of the ray table. Adjust the slit mask until one light ray shines across. 2. Place a white sheet of paper on the ray table, place the rhombus as shown below. Do not shine the ray through the rhombus too near the triangular tip. Reflected Ray Refracted Ray Light Source Rhombus 3. Rotate the ray table until the emerging ray just barely disappears. Just as it disappears, the ray separates into colors. The table is rotated far enough if the red color has just disappeared. 3

4 4. Trace the surfaces of the rhombus. Mark exactly the point on the surface where the ray is internally reflected. Also mark the entrance point of the incident ray and mark the exit point of the reflected ray. 5. Remove the rhombus and the paper from the ray table. Draw the rays that are incident upon and that reflect off the inside surface of the rhombus. 6. Measure the total angle between the rays using a protractor. If necessary, extend these rays to make the protractor easier to use. Note that this total angle is twice the critical angle because the angle of incidence equals the angle of reflection. Record the measured critical angle in Data Table #4. 7. Calculate the critical angle using Snell's Law and the given index of refraction for acrylic. Record as the theoretical value in Data Table #4. 8. Calculate the percent difference between the measured and theoretical values. PART 5: Refraction Explore the difference between convex and concave lenses and determine its focal length. Convex Lens 1. Adjust the slit mask in front of the light source so that five light rays shine across the top of the ray table. Place a sheet of paper on the ray table, place the convex lens on top of the paper on the edge of the ray table nearest to the light source. 2. Trace the outline of the lens and trace the incident and transmitted rays. Use arrows to indicate the incoming and outgoing rays. 3. Identify the focal point of the lens, this is where the five retracted rays cross each other. 4. Measure the focal length from the center of the convex lens to the focal point. Record in Data Table 5. Concave Lens 1. Place a sheet of paper on the ray table, place the concave lens on top of the paper about two-thirds of the way across the ray table from the light source. 2. Shine five light rays from the light source straight into the concave lens. Note that the rays leaving the lens are diverging and will not cross. 3. Trace the outline of the lens, the incident rays and the refracted rays. Use a ruler to extend the outgoing rays straight back through the outline of the lens. 4. Identify the focal point of the lens, this is where the extended rays cross. 5. Measure the focal length from the center of the convex lens to the focal point. Record in Data Table 5. 4

5 6. Place a sheet of paper on the ray table, nest the convex and concave lenses together and place them in the path of the parallel rays. 7. Trace the rays. What does this tell you about the relationship between the focal lengths of these two lenses? PART 6: Lensmaker s Equation Determine the focal length of a convex lens by direct measurement and by using the lensmaker s equation. 1. Place a sheet of paper on the ray table, place the concave lens on top of the paper. 2. Shine five light rays from the light source straight into the concave lens. 3. Trace the outline of the lens, the incident rays and the refracted rays. Indicate the incoming and outgoing rays with arrows. 4. Remove the lens. Use a ruler to extend the outgoing diverging rays straight back through the lens. Determine the focal point, this is where these extended rays cross. Measure the distance from the center of the lens to the focal point. Record in Data Table 6 as experimental focal length. 5. Determine the radius of curvature, put the concave lens back in the path of the rays and observe the faint reflected rays off the first surface of the lens. The front of the lens can be treated as a concave mirror having a radius of curvature equal to twice the focal length of the effective mirror. Trace the surface of the lens, the incident rays and the faint reflected rays. 6. Measure the distance from the center of the front curved surface to the point where the faint reflected rays cross. The radius of curvature of the surface is twice this distance. Record in Data Table Calculate the focal length of the lens using the lensmaker s equation. Record as theoretical focal length. 8. Calculate the percent difference between the two values of the focal length of the concave lens. Double concave lens Incident rays Light Source Reflected rays ½R 5

6 Lab Report Geometrical Optics Attach your traces for each. Data Table 1: Plane Mirror Angle of Incidence 15 o 30 o 45 o 60 o 75 o 90 o Angle of Reflection Data Table 2: Cylindrical Mirrors Focal Length Radius of Curvature Concave Mirror Convex Mirror Data Table 3: Snell s Law Angle of Incidence Angle of Refraction n Rhombus Average Index of Refraction Percent Error Data Table 4: Total Internal Reflection 6

7 Measured Critical Angle Theoretical Critical Angle Percent Difference Rhombus Data Table 5: Cylindrical Lenses Focal Length Convex Lens Concave Lens Data Table 6: Lensmaker s Equation Experimental Focal Length Radius of Curvature Theoretical Focal Length Percent Difference Concave Lens 7

8 Questions: 1. For the plane mirror, what is the relationship between the angle of incidence and the angle of reflection? 2. For the plane mirror, are the three colored rays reversed left-to-right by the plane mirror? 3. What is the relationship between the focal length of a cylindrical mirror and its radius of curvature? Do your results confirm your answer? 4. What is the radius of curvature of a plane mirror? 5. For part 3, what is the angle of the ray that leaves the rhombus relative to the ray that enters the rhombus? 6. How does the brightness of the internally reflected ray change when the incident angle changes from less than θ c to greater than θ c? 7. Is the focal length of a concave lens positive or negative? 8. For part 6, how might the thickness of the lens affect the results of this experiment? 8

### 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

### 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

### Ray Tracing: the Law of Reflection, and Snell s Law

Ray Tracing: the Law of Reflection, and Snell s Law Each of the experiments is designed to test or investigate the basic ideas of reflection and the ray-like behavior of light. The instructor will explain

### 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

### MIRRORS AND REFLECTION

MIRRORS AND REFLECTION PART 1 ANGLE OF INCIDENCE, ANGLE OF REFLECTION In this exploration we will compare θ i (angle of incidence) and θ r (angle of reflection). We will also investigate if rays are reversed

### Geometric Optics Converging Lenses and Mirrors Physics Lab IV

Objective Geometric Optics Converging Lenses and Mirrors Physics Lab IV In this set of lab exercises, the basic properties geometric optics concerning converging lenses and mirrors will be explored. The

### 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,

### 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

### 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

### Reflection and Refraction

Equipment Reflection and Refraction Acrylic block set, plane-concave-convex universal mirror, cork board, cork board stand, pins, flashlight, protractor, ruler, mirror worksheet, rectangular block worksheet,

### 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

### LASER OPTICAL DISK SET

LASER OPTICAL DISK SET LODS01 5 6 7 4 8 3 9 2 10 1 11 1. Description The laser Optical Disk Set includes a Laser Ray Box powered by a low voltage wall-mount power supply, a set of eight ray optics elements

### Physics Laboratory: Lenses

Physics Laboratory: Lenses We have already seen how Snell s Law describes the refraction of light as it passes through media with different indices of refraction. Lenses are made of materials that generally

### 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

### 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

### 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

### Determination of Focal Length of A Converging Lens and Mirror

Physics 41- Lab 5 Determination of Focal Length of A Converging Lens and Mirror Objective: Apply the thin-lens equation and the mirror equation to determine the focal length of a converging (biconvex)

### Lab 9. Optics. 9.1 Introduction

Lab 9 Name: Optics 9.1 Introduction Unlike other scientists, astronomers are far away from the objects they want to examine. Therefore astronomers learn everything about an object by studying the 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

### 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

### 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

### 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

### 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

### 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

### 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

### 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

### 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.

### 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

### 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

### 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

### Thin Lenses. Physics 102 Workshop #7. General Instructions

Thin Lenses Physics 102 Workshop #7 Name: Lab Partner(s): Instructor: Time of Workshop: General Instructions Workshop exercises are to be carried out in groups of three. One report per group is due by

### How can I predict how big my reflection will appear in a mirror? Think about it and we might try your solution.

How can I predict how big my reflection will appear in a mirror? Think about it and we might try your solution. Introduction to Optics Lecture 12 (See Giancoli Chapter 23) Refraction Phenomena Silas Laycock,

### 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

### 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.

### REFLECTION & REFRACTION

REFLECTION & REFRACTION OBJECTIVE: To study and verify the laws of reflection and refraction using a plane mirror and a glass block. To see the virtual images that can be formed by the reflection and refraction

### 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,

### 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!)

### (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

### Chapter 34B - Reflection and Mirrors II (Analytical)

Chapter 34B - Reflection and Mirrors II (Analytical) A PowerPoint Presentation by Paul E. Tippens, Professor of Physics Southern Polytechnic State University 2007 Objectives: After completing this module,

### 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

### Chapter 23. The Reflection of Light: Mirrors

Chapter 23 The Reflection of Light: Mirrors Wave Fronts and Rays Defining wave fronts and rays. Consider a sound wave since it is easier to visualize. Shown is a hemispherical view of a sound wave emitted

### Three Lasers Converging at a Focal Point : A Demonstration

Three Lasers Converging at a Focal Point : A Demonstration Overview In this activity, students will see how we can use the property of refraction to focus parallel rays of light. Students will observe

### 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

### Homework 13 chapter 36: 17, 21, 33, 74

http://iml.umkc.edu/physics/wrobel/phy50/homework.htm Homework chapter 6: 7,,, 74 Problem 6.7 A spherical mirror is to be used to form, on a screen located 5 m from the object, an image five times the

### 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

### 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

### 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

### 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;

### 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

### 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

### 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]

### PREVIOUS 8 YEARS QUESTIONS (1 mark & 2 marks) 1 mark questions

230 PREVIOUS 8 YEARS QUESTIONS (1 mark & 2 marks) 1 mark questions 1. An object is held at the principal focus of a concave lens of focal length f. Where is the image formed? (AISSCE 2008) Ans: That is

### 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

### Experiment 3 Lenses and Images

Experiment 3 Lenses and Images Who shall teach thee, unless it be thine own eyes? Euripides (480?-406? BC) OBJECTIVES To examine the nature and location of images formed by es. THEORY Lenses are frequently

### Chapter 17: Light and Image Formation

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

### 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

### HOMEWORK 4 with Solutions

Winter 996 HOMEWORK 4 with Solutions. ind the image of the object for the single concave mirror system shown in ig. (see next pages for worksheets) by: (a) measuring the radius R and calculating the focal

### 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

### 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,

### 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

### SNC 2D Grade 10 Science, Academic Unit: Light and Geometric Optics

Page 1 SNC 2D Grade 10 Science, Academic Unit: Light and Geometric Optics The Big Ideas: Light has characteristics and properties that can be manipulated with mirrors and lenses for a range of uses. Society

### Lab 2L Mirrors and Lenses

Lab 2L Mirrors and Lenses Euiment Not all of the euiment shown above will be used during the activities outlined in this rocedure. Image Formation in a Plane Mirror Place the light source, slit late (mounted

### 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

### 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

### 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

### 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,

### 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

### 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

### 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

### Experiment where A is the apex angle of the prism and D is the angle of minimum deviation for the spectral line.

Introduction Experiment 112-8 Grating and Prism Spectrometer Diffraction Gratings 1 : A master diffraction grating is made by ruling a large number of finely, closely spaced lines on a sheet of glass or

### 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

### Interference. Physics 102 Workshop #3. General Instructions

Interference Physics 102 Workshop #3 Name: Lab Partner(s): Instructor: Time of Workshop: General Instructions Workshop exercises are to be carried out in groups of three. One report per group is due by

### 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

### 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

### EXPERIMENT O-6. Michelson Interferometer. Abstract. References. Pre-Lab

EXPERIMENT O-6 Michelson Interferometer Abstract A Michelson interferometer, constructed by the student, is used to measure the wavelength of He-Ne laser light and the index of refraction of a flat transparent

### WAVELENGTH OF LIGHT - DIFFRACTION GRATING

PURPOSE In this experiment we will use the diffraction grating and the spectrometer to measure wavelengths in the mercury spectrum. THEORY A diffraction grating is essentially a series of parallel equidistant

### 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

### Refractive Index and Dispersion: Prism Spectrometer

Refractive Index and Dispersion: Prism Spectrometer OBJECTIVES: The purpose of this experiment is to study the phenomenon of dispersion i.e. to determine the variation of refractive index of the glass

### 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

### Laws; of Refraction. bends away from the normal. more dense medium bends towards the normal. to another does not bend. It is not

Science 8 Laws; of Refraction 1. tight that moyes at an angle from a less dense medium to a more dense medium bends towards the normal. (The second medium slows the light down) Note: The angle of refraction,

### P R E A M B L E. Facilitated workshop problems for class discussion (1.5 hours)

INSURANCE SCAM OPTICS - LABORATORY INVESTIGATION P R E A M B L E The original form of the problem is an Experimental Group Research Project, undertaken by students organised into small groups working as

### Home Work 14. Sol 17. (a) The mirror is concave. (b) f = +20 cm (positive, because the mirror is concave). (c) r = 2f = 2(+20 cm) = +40 cm.

Home Work 14 14-1 More mirrors. Object O stands on the central axis of a spherical or plane mirror. For this situation, each problem in the Table refers to (a) the type of mirror, (b) the focal distance

### 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;

### 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

### Polarization of Light

Polarization of Light Introduction Light, viewed classically, is a transverse electromagnetic wave. Namely, the underlying oscillation (in this case oscillating electric and magnetic fields) is along directions

### Lesson 26: Reflection & Mirror Diagrams

Lesson 26: Reflection & Mirror Diagrams The Law of Reflection There is nothing really mysterious about reflection, but some people try to make it more difficult than it really is. All EMR will reflect

### 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

### DOUBLE SLIT INTERFERENCE

O8-1 DOUBLE SLIT INTERFERENCE PURPOSE The purpose of this experiment is to examine the diffraction and interference patterns formed by laser light passing through two slits and verify that the positions

### Studies of a Diffraction Grating, Spectral Lines of Hydrogen, and Solar Spectrum

Studies of a Diffraction Grating, Spectral Lines of Hydrogen, and Solar Spectrum Objectives: 1. To become familiar with capturing spectral lines using a CCD camera. 2. To study selected properties of a

### 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

### 1051-232 Imaging Systems Laboratory II. Laboratory 4: Basic Lens Design in OSLO April 2 & 4, 2002

05-232 Imaging Systems Laboratory II Laboratory 4: Basic Lens Design in OSLO April 2 & 4, 2002 Abstract: For designing the optics of an imaging system, one of the main types of tools used today is optical

### 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

### General Science 1110L Lab Lab 7: CONVEX LENS

General Science 1110L Lab Lab 7: CONVEX LENS OBJECTIVE: To investigate the image formed by a certain thin convex lens and to determine its focal length. APPARATUS: Convex lens, optical bench, light source,

### Q1. Both X-ray machines and CT scanners are used to produce images of the body.

Q. Both X-ray machines and CT scanners are used to produce images of the body. (a) The diagram shows an X-ray photograph of a broken leg. Before switching on the X-ray machine, the radiographer goes behind

### Image Formation by Plane and Spherical Mirrors

Name School Date Purpose Image Formation by Plane and Spherical Mirrors To become familiar with the nature of the images formed by plane and spherical mirrors. To learn to distinguish between real and

### 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

### Begin recognition in EYFS Age related expectation at Y1 (secure use of language)

For more information - http://www.mathsisfun.com/geometry Begin recognition in EYFS Age related expectation at Y1 (secure use of language) shape, flat, curved, straight, round, hollow, solid, vertexvertices

### Graphical construction of images

Physics S4 Graphical construction of images Lesson 159 Developed by (Tomas Odenyo Oloo) 50 minutes Class discussion Subtopic Graphical construction of images Overview Graphical construction of images Overview