PHYS 222 Spring 2012 Final Exam. Closed books, notes, etc. No electronic device except a calculator.
|
|
|
- Briana Cross
- 3 years ago
- Views:
Transcription
1 PHYS 222 Spring 2012 Final Exam Closed books, notes, etc. No electronic device except a calculator. NAME: (all questions with equal weight) 1. If the distance between two point charges is tripled, the mutual force between them will be changed by what factor? a. 9.0 b. 3.0 c d. 1/9 2. In x ray machines, electrons are subjected to electric fields as great as N/C. Find an electron s acceleration in this field. (m e = kg, e = C) a m/s 2 b m/s 2 c m/s 2 d m/s 2 1/14
2 3. A closed surface contains the following point charges: 6 C, 4 C, 2 C, 4 C. The electric flux coming out of the surface is: a. 16 C/ o. b. 16 C/ o. c. 4 C/ o. d. 4 C/ o. 4. A 9.0 V battery is connected between two parallel metal plates 4.0 mm apart. What is the magnitude of the electric field between the plates? a N/C b. 9.0 N/C c. 2.3 N/C d N/C 5. An electron in a cathode ray tube is accelerated through a potential difference of 5.0 kv. What kinetic energy does the electron gain in the process? (e = C) a J b J c J d J 2/14
3 6. Find the electrical potential at 0.15 m from a point charge of 6.0 C. (k e = N m 2 /C 2 ) a V b V c V d V 7. The current in an electron beam in a cathode ray tube is measured to be 70 µa. How many electrons hit the screen in 5.0 s? (e = C) a electrons b electrons c electrons d electrons 8. An electric toaster requires 1100 W at 110 V. What is the resistance of the heating coil? a. 7.5 b. 9.0 c d /14
4 9. Number 10 copper wire (radius = 1.3 mm) is commonly used for electrical installations in homes. What is the voltage drop in 40 m of #10 copper wire if it carries a current of 10 A? (The resistivity of copper is m.) a. 1.3 V b V c V d V 10. Resistors of values 6.0, 4.0, 10.0 and 7.0 are combined as shown. What is the equivalent resistance for this combination? a. 2.3 b. 3.0 c d. 27 4/14
5 11. Lamps with resistance of 8.0, 12.0, and 24.0 are connected in parallel across a fresh battery. Which lamp dissipates the greatest power? a. the 8.0 lamp b. the 12.0 lamp c. the 24.0 lamp d. All dissipate the same power when in parallel. 12. A hair dryer draws W, a curling iron draws 800 W, and an electric light fixture draws 500 W. If all three of these appliances are operating in parallel on a 120 V circuit, what is the total current drawn? a A b A c A d A 13. A stationary positive charge +Q is located in a magnetic field B, which is directed toward the right as indicated. The direction of the magnetic force on Q is: a. toward the right. b. up. c. down. d. There is no magnetic force. 5/14
6 14. The current in a long wire creates a magnetic field in the region around the wire. How is the strength of the field at distance r from the wire center related to the magnitude of the field? a. field directly proportional to r b. field inversely proportional to r c. field directly proportional to r 2 d. field inversely proportional to r Consider two long, straight parallel wires, each carrying a current I. If the currents are flowing in opposite directions: a. the two wires will attract each other. b. the two wires will repel each other. c. the two wires will exert a torque on each other. d. neither wire will exert a force on the other. 16. A uniform 4.5 T magnetic field passes through the plane of a wire loop 0.10 m 2 in area. What flux passes through the loop when the direction of the 4.5 T field is at a 30 angle to the normal of the loop plane? a. 5.0 T m 2 b T m 2 c T m 2 d T m 2 6/14
7 17. A flat coil of wire consisting of 20 turns, each with an area of 50 cm 2, is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 2.0 T to 6.0 T in 2.0 s. If the coil has a total resistance of 0.40, what is the magnitude of the induced current? a. 70 ma b. 140 ma c. 500 ma d. 800 ma 18. A coil with a self inductance of 0.75 mh experiences a constant current buildup from zero to 10 A in 0.25 s. What is the induced emf during this interval? a V b V c V d V 19. An electromagnetic wave with a peak electric field component of N/C has what associated peak magnetic field value? ( 0 = C 2 /N m 2, 0 = T m/a and c = m/s) a T b T c T d T 7/14
8 20. In order of increasing frequency, which of the following is correct? a. visible, radio, ultraviolet and x ray b. infrared, visible, ultraviolet and gamma c. visible, gamma, ultraviolet and x ray d. infrared, x ray, visible and gamma 21. A radar pulse returns seconds after it is sent out, having been reflected by an object. What is the distance between the radar antenna and the object? (c = m/s) a m b m c m d m 22. Water has an index of refraction of What is the speed of light through it? (c = m/s) a m/s b m/s c m/s d m/s 8/14
9 23. A light ray incident on the interface between air and glass can undergo total internal reflection: a. only in the glass. b. only in the air. c. in either the glass or the air. d. in the air only if the index of refraction of the glass is greater than the. 24. A certain kind of glass has n blue = for blue light and n red = for red light. If a beam of white light (containing all colors) is incident at an angle of 30.0, what is the angle between the red and blue light inside the glass? a b c d Which of the following best describes the image from a plane mirror? a. virtual and magnification greater than one b. real and magnification less than one c. virtual and magnification equal to one d. real and magnification equal to one 9/14
10 26. A woman looking in a makeup mirror sees her face at twice its actual size and right side up. If she is 28.0 cm from the mirror, what is its focal length? a cm b cm c cm d cm 27. Sally places an object 6.0 cm from a thin convex lens along its axis. The lens has a focal length of 9.0 cm. What are the respective values of the image distance and magnification? a. 18 cm and 3.0 b. 18 cm and 3.0 c. 3.0 cm and 0.50 d. 18 cm and Two narrow slits are mm apart. When a laser shines on them, bright fringes form on a screen that is a meter away. These fringes are 3.0 cm apart. What is the separation between the second order bright fringe and the central fringe? a. 8.6 cm b. 6.0 cm c. 5.3 cm d. 2.6 cm 10/14
11 29. Light of wavelength 610 nm is incident on a slit of width 0.20 mm, and a diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the distance of the second dark fringe from the center of the bright fringe? (1 nm = 10 9 m) a cm b cm c. 1.2 cm d. 1.4 cm 30. A beam of polarized light of intensity I 0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30. What is the intensity of the emerging light? a I 0 b I 0 c I 0 d I 0 11/14
12 this page is intentionally left blank 12/14
13 this page is intentionally left blank 13/14
14 this page is intentionally left blank 14/14
Physics 122 (Sonnenfeld), Spring 2013 ( MPSONNENFELDS2013 ) My Courses Course Settings
Signed in as Richard Sonnenfeld, Instructor Help Sign Out Physics 122 (Sonnenfeld), Spring 2013 ( MPSONNENFELDS2013 ) My Courses Course Settings Course Home Assignments Roster Gradebook Item Library Essential
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,
104 Practice Exam 2-3/21/02
104 Practice Exam 2-3/21/02 1. Two electrons are located in a region of space where the magnetic field is zero. Electron A is at rest; and electron B is moving westward with a constant velocity. A non-zero
Exam 3--S12--PHYS April 2012
ame: Exam 3--S12--PHYS102 30 April 2012 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which of the following statements is true? a. Newton believed light
UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics
UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 111.6 MIDTERM TEST #4 March 15, 2007 Time: 90 minutes NAME: (Last) Please Print (Given) STUDENT NO.: LECTURE SECTION (please
1. The diagram below represents magnetic lines of force within a region of space.
1. The diagram below represents magnetic lines of force within a region of space. 4. In which diagram below is the magnetic flux density at point P greatest? (1) (3) (2) (4) The magnetic field is strongest
Induction. d. is biggest when the motor turns fastest.
Induction 1. A uniform 4.5-T magnetic field passes perpendicularly through the plane of a wire loop 0.10 m 2 in area. What flux passes through the loop? a. 5.0 T m 2 c. 0.25 T m 2 b. 0.45 T m 2 d. 0.135
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,
Physics 30 Worksheet # 14: Michelson Experiment
Physics 30 Worksheet # 14: Michelson Experiment 1. The speed of light found by a Michelson experiment was found to be 2.90 x 10 8 m/s. If the two hills were 20.0 km apart, what was the frequency of the
Wave Optics. b. the crest from one wave overlaps with the d. darkness cannot occur as the two waves are coherent.
Wave Optics 1. Two beams of coherent light are shining on the same piece of white paper. With respect to the crests and troughs of such waves, darkness will occur on the paper where: a. the crest from
Copyright 2014 Edmentum - All rights reserved.
Copyright 2014 Edmentum - All rights reserved. Science Physics Electromagnetic Blizzard Bag 2014-2015 1. Two coils of insulated wire are placed side by side, as shown in the illustration. The blue lines
Physics 202 Problems - Week 8 Worked Problems Chapter 25: 7, 23, 36, 62, 72
Physics 202 Problems - Week 8 Worked Problems Chapter 25: 7, 23, 36, 62, 72 Problem 25.7) A light beam traveling in the negative z direction has a magnetic field B = (2.32 10 9 T )ˆx + ( 4.02 10 9 T )ŷ
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Two radio antennas are 120 m apart on a north-south line. The two antennas radiate in
S15--Physics current and Circuit PRACTICE
Name: Class: Date: ID: A S5--Physics current and Circuit PRACTICE Multiple Choice Identify the choice that best completes the statement or answers the question.. Three resistors, with values of 2.0, 4.0
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
Test - A2 Physics. Primary focus Magnetic Fields - Secondary focus electric fields (including circular motion and SHM elements)
Test - A2 Physics Primary focus Magnetic Fields - Secondary focus electric fields (including circular motion and SHM elements) Time allocation 40 minutes These questions were ALL taken from the June 2010
PHYSICS PAPER 1 (THEORY)
PHYSICS PAPER 1 (THEORY) (Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) ---------------------------------------------------------------------------------------------------------------------
Chapter 14 Magnets and
Chapter 14 Magnets and Electromagnetism How do magnets work? What is the Earth s magnetic field? Is the magnetic force similar to the electrostatic force? Magnets and the Magnetic Force! We are generally
Fall 12 PHY 122 Homework Solutions #10
Fall 12 PHY 122 Homework Solutions #10 HW10: Ch.30 Q5, 8, 15,17, 19 P 1, 3, 9, 18, 34, 36, 42, 51, 66 Chapter 30 Question 5 If you are given a fixed length of wire, how would you shape it to obtain the
PHY114 S11 Term Exam 3
PHY4 S Term Exam S. G. Rajeev Mar 2 20 2:0 pm to :45 pm PLEASE write your workshop number and your workshop leader s name at the top of your book, so that you can collect your graded exams at the workshop.
PRACTICE EXAM IV P202 SPRING 2004
PRACTICE EXAM IV P202 SPRING 2004 1. In two separate double slit experiments, an interference pattern is observed on a screen. In the first experiment, violet light (λ = 754 nm) is used and a second-order
Physics 1653 Exam 3 - Review Questions
Physics 1653 Exam 3 - Review Questions 3.0 Two uncharged conducting spheres, A and B, are suspended from insulating threads so that they touch each other. While a negatively charged rod is held near, but
Physics 102 Extra practice problems Fall The next two questions pertain to the following situation:
The next two questions pertain to the following situation: Three charges are placed located as shown in the figure to the right. The grid spacing is in meters.. y 10. 1. Calculate the x-component of the
Magnetism. d. gives the direction of the force on a charge moving in a magnetic field. b. results in negative charges moving. clockwise.
Magnetism 1. An electron which moves with a speed of 3.0 10 4 m/s parallel to a uniform magnetic field of 0.40 T experiences a force of what magnitude? (e = 1.6 10 19 C) a. 4.8 10 14 N c. 2.2 10 24 N b.
Physical Science Study Guide Unit 7 Wave properties and behaviors, electromagnetic spectrum, Doppler Effect
Objectives: PS-7.1 Physical Science Study Guide Unit 7 Wave properties and behaviors, electromagnetic spectrum, Doppler Effect Illustrate ways that the energy of waves is transferred by interaction with
Physics 6C, Summer 2006 Homework 2 Solutions
Physics 6C, Summer 006 Homework Solutions All problems are from the nd edition of Walker. Numerical values are different for each student. Chapter 3 Problems. Figure 3-30 below shows a circuit containing
MIDTERM REVIEW Chapters PHYSICS 1402 Brooks
MIDTERM REVIEW Chapters 15 24 PHYSICS 1402 Brooks 1) The electric field shown in Figure 15-3 Figure 15-3 A) decreases to the right. B) is uniform. C) increases down. D) decreases down. E) increases to
EM Waves Practice Problems
EM Waves Practice Problems PSI AP Physics B Name Multiple Choice 1. Which of the following theories can explain the bending of waves behind obstacles into shadow region? (A) Particle theory of light (B)
PH202-5D Final Comprehensive Exam (August 10, 2007)
NAME SCORE PH202-5D Final Comprehensive Exam (August 0, 2007) You may not open the textbook nor notebook. A letter size information may be used. A calculator may be used. However, mathematics or physics
Bronx High School of Science Regents Physics
Bronx High School of Science Regents Physics 1. Orange light has a frequency of 5.0 10 14 hertz in a vacuum. What is the wavelength of this light? (A) 1.5 10 23 m (C) 6.0 10 7 m (B) 1.7 10 6 m (D) 2.0
Important Equations in Physics for IGCSE course. Area of triangular shaped graph = ½ base height
Important Equations in Physics for IGCSE course General Physics: 1 For constant motion: v = s t 2 For acceleration a v u a = t 3 Graph Area of a rectangular shaped graph = base height. 4 Weight and mass
DC Circuits. 3. Three 8.0- resistors are connected in series. What is their equivalent resistance? a c b. 8.0 d. 0.13
DC Circuits 1. The two ends of a 3.0- resistor are connected to a 9.0-V battery. What is the current through the resistor? a. 27 A c. 3.0 A b. 6.3 A d. 0.33 A 2. The two ends of a 3.0- resistor are connected
Phys222 Winter 2012 Quiz 4 Chapters 29-31. Name
Name If you think that no correct answer is provided, give your answer, state your reasoning briefly; append additional sheet of paper if necessary. 1. A particle (q = 5.0 nc, m = 3.0 µg) moves in a region
Homework #11 203-1-1721 Physics 2 for Students of Mechanical Engineering
Homework #11 203-1-1721 Physics 2 for Students of Mechanical Engineering 2. A circular coil has a 10.3 cm radius and consists of 34 closely wound turns of wire. An externally produced magnetic field of
Chapter 31. Faraday s Law
Chapter 31 Faraday s Law Michael Faraday 1791 1867 British physicist and chemist Great experimental scientist Contributions to early electricity include: Invention of motor, generator, and transformer
Einstein Classes, Unit No. 102, 103, Vardhman Ring Road Plaza, Vikas Puri Extn., Outer Ring Road, New Delhi , Ph. : ,
1 EMI & AC 1. Derive an expression for the impendance of a coil in AC ciruit. A current of 1.1 A flows through a coil when connected to a 110 V DC. When 110 V AC of 50 Hz is applied to the same coil, only
University Physics (Prof. David Flory) Chapt_36 Monday, August 06, 2007
Name: Date: 1. In an experiment to measure the wavelength of light using a double slit, it is found that the fringes are too close together to easily count them. To spread out the fringe pattern, one could:
Ch 24 Wave Optics. concept questions #8, 11 problems #1, 3, 9, 15, 19, 31, 45, 48, 53
Ch 24 Wave Optics concept questions #8, 11 problems #1, 3, 9, 15, 19, 31, 45, 48, 53 Light is a wave so interference can occur. Interference effects for light are not easy to observe because of the short
Light as a wave. VCE Physics.com. Light as a wave - 1
Light as a wave Huygen s wave theory Newton s corpuscular theory Young s double slit experiment Double slit interference Diffraction Single slit interference The electromagnetic nature of light The electromagnetic
Physics 126 Practice Exam #3 Professor Siegel
Physics 126 Practice Exam #3 Professor Siegel Name: Lab Day: 1. Which one of the following statements concerning the magnetic force on a charged particle in a magnetic field is true? A) The magnetic force
ElectroMagnetic Induction. AP Physics B
ElectroMagnetic Induction AP Physics B What is E/M Induction? Electromagnetic Induction is the process of using magnetic fields to produce voltage, and in a complete circuit, a current. Michael Faraday
Sample Exam #3 Electricity Physics 103 Spring 2011
Sample Exam #3 Electricity Physics 103 Spring 2011 1. An electric heater is constructed by applying a potential difference of 110 V across a wire with a resistance of 5.0 Ω. What is the power rating of
Induced voltages and Inductance Faraday s Law
Induced voltages and Inductance Faraday s Law concept #1, 4, 5, 8, 13 Problem # 1, 3, 4, 5, 6, 9, 10, 13, 15, 24, 23, 25, 31, 32a, 34, 37, 41, 43, 51, 61 Last chapter we saw that a current produces a magnetic
DIFFRACTION AND INTERFERENCE OF LIGHT
DIFFRACTION AND INTERFERENCE OF LIGHT Part A - The Diffraction Grating The objective of this part of the experiment is to measure the wavelength of light produced by a monochromatic source using a diffraction
CH 35. Interference. A. Interference of light waves, applied in many branches of science.
CH 35 Interference [SHIVOK SP212] March 17, 2016 I. Optical Interference: A. Interference of light waves, applied in many branches of science. B. The blue of the top surface of a Morpho butterfly wing
and that for the minima is min ( m 1 2). Divide the second equation by the first and solve for the order of the maximum, m.
USEFUL FORMULAE AND DATA 1. Wien s Law: pt = 2.90 10-3 m K 2. v=c/n, is the speed of light in a material with an index of refraction n 3. Snell s Law: n1 sin 1 = n2 sin 2, where subscripts 1 stands for
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
Physics 121 Sample Common Exam 3 NOTE: ANSWERS ARE ON PAGE 6. Instructions: 1. In the formula F = qvxb:
Physics 121 Sample Common Exam 3 NOTE: ANSWERS ARE ON PAGE 6 Signature Name (Print): 4 Digit ID: Section: Instructions: Answer all questions 24 multiple choice questions. You may need to do some calculation.
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
1. E&M induction requires change, of the intensity of a magnetic field or of motion in a magnetic field.
Chapter 25 EXERCISE key 1. E&M induction requires change, of the intensity of a magnetic field or of motion in a magnetic field. 2. Magnetic induction will not occur in nylon, since it has no magnetic
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If the voltage at a point in space is zero, then the electric field must be A) zero. B) positive.
Exam 2 Solutions. PHY2054 Spring Prof. P. Kumar Prof. P. Avery March 5, 2008
Prof. P. Kumar Prof. P. Avery March 5, 008 Exam Solutions 1. Two cylindrical resistors are made of the same material and have the same resistance. The resistors, R 1 and R, have different radii, r 1 and
1) Magnetic field lines come out of the south pole of a magnet and enter at the north pole.
Exam Name 1) Magnetic field lines come out of the south pole of a magnet and enter at the north pole. 2) Which of the following statements is correct? A) Earth's north pole is magnetic north. B) The north
Exam 4--PHYS 102--S14
Class: Date: Exam 4--PHYS 102--S14 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A current goes through a loop, which is allowed to rotate on an axis,
Name: Date: Regents Physics Mr. Morgante UNIT 4B Magnetism
Name: Regents Physics Date: Mr. Morgante UNIT 4B Magnetism Magnetism -Magnetic Force exists b/w charges in motion. -Similar to electric fields, an X stands for a magnetic field line going into the page,
Objectives. Capacitors 262 CHAPTER 5 ENERGY
Objectives Describe a capacitor. Explain how a capacitor stores energy. Define capacitance. Calculate the electrical energy stored in a capacitor. Describe an inductor. Explain how an inductor stores energy.
2. In Newton s universal law of gravitation the masses are assumed to be. B. masses of planets. D. spherical masses.
Practice Test: 41 marks (55 minutes) Additional Problem: 19 marks (7 minutes) 1. A spherical planet of uniform density has three times the mass of the Earth and twice the average radius. The magnitude
Sirindhorn International Institute of Technology Thammasat University at Rangsit. SCS 139: Problem Set 1
Sirindhorn International Institute of Technology Thammasat University at Rangsit School of Information, Computer and Communication Technology SCS 139: Problem Set 1 Due date: Feb 8, 2013 (Friday) 1. [Halliday,
Lesson 18: Diffraction and Interference!
Lesson 18: Diffraction and Interference Part 1: The Double Slit Experiment What is light? - A particle? - A wave? In 1801, Thomas Young s Double Slit Experiment confirmed the wave nature of light: If light
WAVES AND PARTICLES. (v) i.e (vi) The potential difference required to bring an electron of wavelength to rest
WAVES AND PARTICLES 1. De Broglie wavelength associated with the charges particles (i) The energy of a charged particle accelerated through potential difference q = charge on the particel (ii) Momentum
TEACHER S CLUB EXAMS GRADE 11. PHYSICAL SCIENCES: PHYSICS Paper 1
TEACHER S CLUB EXAMS GRADE 11 PHYSICAL SCIENCES: PHYSICS Paper 1 MARKS: 150 TIME: 3 hours INSTRUCTIONS AND INFORMATION 1. This question paper consists of 12 pages, two data sheets and a sheet of graph
Phys 102 Spg Exam No. 2 Solutions
Phys 102 Spg. 2008 Exam No. 2 Solutions I. (20 pts) A 10-turn wire loop measuring 8.0 cm by 16.0 cm carrying a current of 2.0 A lies in the horizontal plane and is free to rotate about a horizontal axis
MOVING CHARGES AND MAGNETISM
MOVING CHARGES AND MAGNETISM 1. A circular Coil of 50 turns and radius 0.2m carries of current of 12A Find (a). magnetic field at the centre of the coil and (b) magnetic moment associated with it. 3 scores
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,
AS COMPETITION PAPER 2008
AS COMPETITION PAPER 28 Name School Town & County Total Mark/5 Time Allowed: One hour Attempt as many questions as you can. Write your answers on this question paper. Marks allocated for each question
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
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A single slit forms a diffraction pattern, with the first minimum at an angle of 40 from
Chapter 24. Wave Optics
Chapter 24 Wave Optics Wave Optics The wave nature of light is needed to explain various phenomena. Interference Diffraction Polarization The particle nature of light was the basis for ray (geometric)
Chapter 14 Magnets and Electromagnetism
Chapter 14 Magnets and Electromagnetism Magnets and Electromagnetism In the 19 th century experiments were done that showed that magnetic and electric effects were just different aspect of one fundamental
Inductance. Motors. Generators
Inductance Motors Generators Self-inductance Self-inductance occurs when the changing flux through a circuit arises from the circuit itself. As the current increases, the magnetic flux through a loop due
Lecture PowerPoints. Chapter 24 Physics: Principles with Applications, 7th edition Giancoli
Lecture PowerPoints Chapter 24 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
v = fλ PROGRESSIVE WAVES 1 Candidates should be able to :
PROGRESSIVE WAVES 1 Candidates should be able to : Describe and distinguish between progressive longitudinal and transverse waves. With the exception of electromagnetic waves, which do not need a material
Lecture PowerPoints. Chapter 20 Physics: Principles with Applications, 7 th edition Giancoli
Lecture PowerPoints Chapter 20 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
SAT Subject Physics Formula Reference
This guide is a compilation of about fifty of the most important physics formulas to know for the SAT Subject test in physics. (Note that formulas are not given on the test.) Each formula row contains
MAGNETISM MAGNETISM. Principles of Imaging Science II (120)
Principles of Imaging Science II (120) Magnetism & Electromagnetism MAGNETISM Magnetism is a property in nature that is present when charged particles are in motion. Any charged particle in motion creates
Candidate Number. General Certificate of Education Advanced Level Examination June 2012
entre Number andidate Number Surname Other Names andidate Signature General ertificate of Education dvanced Level Examination June 212 Physics PHY4/1 Unit 4 Fields and Further Mechanics Section Monday
Last Name: First Name: Physics 102 Spring 2006: Exam #2 Multiple-Choice Questions 1. A charged particle, q, is moving with speed v perpendicular to a uniform magnetic field. A second identical charged
1(a) Name the charge carriers responsible for electric current in a metal and in an electrolyte.
Physics A Unit: G482: Electrons, Waves and Photons 1(a) Name the charge carriers responsible for electric current in a metal and in an electrolyte. Electrons are the charged particles in a metal. Cations
NAME. and 2I o. (1) Two long wires carry magnetic fields I o. , where I o
(1) Two long wires carry magnetic fields I o and 2I o, where I o is a constant. The two wires cross at the origin (but without making any electrical connection), and lie in the x-y plane. (a) Find the
AS Revision questions Quantum Phenomena and Electricity
Q1. (a) State what happens in an atom when line spectra are produced. Electrons move from one energy level (or orbit) to a higher one (1 mark) when they absorb energy from an incoming photon or interact
2015 Pearson Education, Inc. Section 24.5 Magnetic Fields Exert Forces on Moving Charges
Section 24.5 Magnetic Fields Exert Forces on Moving Charges Magnetic Fields Sources of Magnetic Fields You already know that a moving charge is the creator of a magnetic field. Effects of Magnetic Fields
Candidate Number. General Certificate of Education Advanced Level Examination June 2010
entre Number andidate Number Surname Other Names andidate Signature General ertificate of Education dvanced Level Examination June 1 Physics PHY4/1 Unit 4 Fields and Further Mechanics Section Friday 18
Use the following image to answer the next question. 1. Which of the following rows identifies the electrical charge on A and B shown above?
Old Science 30 Physics Practice Test A on Fields and EMR Test Solutions on the Portal Site Use the following image to answer the next question 1. Which of the following rows identifies the electrical charge
SCS 139 II.3 Induction and Inductance
SCS 139 II.3 Induction and Inductance Dr. Prapun Suksompong prapun@siit.tu.ac.th L d dt di L dt B 1 Office Hours: Library (Rangsit) Mon 16:20-16:50 BKD 3601-7 Wed 9:20-11:20 Review + New Fact Review Force
Ch 6: Light and Telescope. Wave and Wavelength. Wavelength, Frequency and Speed. v f
Ch 6: Light and Telescope Wave and Wavelength..\..\aTeach\PhET\wave-on-a-string_en.jar Wavelength, Frequency and Speed Wave and Wavelength A wave is a disturbance that moves through a medium or through
Objectives for the standardized exam
III. ELECTRICITY AND MAGNETISM A. Electrostatics 1. Charge and Coulomb s Law a) Students should understand the concept of electric charge, so they can: (1) Describe the types of charge and the attraction
Profs. A. Petkova, A. Rinzler, S. Hershfield. Exam 2 Solution
PHY2049 Fall 2009 Profs. A. Petkova, A. Rinzler, S. Hershfield Exam 2 Solution 1. Three capacitor networks labeled A, B & C are shown in the figure with the individual capacitor values labeled (all units
physics 112N electromagnetic induction
physics 112N electromagnetic induction experimental basis of induction! seems we can induce a current in a loop with a changing magnetic field physics 112N 2 magnetic flux! useful to define a quantity
2. B The magnetic properties of a material depend on its. A) shape B) atomic structure C) position D) magnetic poles
ame: Magnetic Properties 1. B What happens if you break a magnet in half? A) One half will have a north pole only and one half will have a south pole only. B) Each half will be a new magnet, with both
21 The Nature of Electromagnetic Waves
21 The Nature of Electromagnetic Waves When we left off talking about the following circuit: I E v = c B we had recently closed the switch and the wire was creating a magnetic field which was expanding
Fall 12 PHY 122 Homework Solutions #8
Fall 12 PHY 122 Homework Solutions #8 Chapter 27 Problem 22 An electron moves with velocity v= (7.0i - 6.0j)10 4 m/s in a magnetic field B= (-0.80i + 0.60j)T. Determine the magnitude and direction of the
Note it they ancients had known Newton s first law, the retrograde motion of the planets would have told them that the Earth was moving.
6/24 Discussion of the first law. The first law appears to be contained within the second and it is. Why state it? Newton s laws are not always valid they are not valid in, say, an accelerating automobile.
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
12. The current in an inductor is changing at the rate of 100 A/s, and the inductor emf is 40 V. What is its self-inductance?
12. The current in an inductor is changing at the rate of 100 A/s, and the inductor emf is 40 V. What is its self-inductance? From Equation 32-5, L = -E=(dI =dt) = 40 V=(100 A/s) = 0.4 H. 15. A cardboard
Chapter 24 Practice Problems, Review, and Assessment
Section 1 Understanding Magnetism: Practice Problems 1. If you hold a bar magnet in each hand and bring your hands close together, will the force be attractive or repulsive if the magnets are held in the
7. What is the current in a circuit if 15 coulombs of electric charge move past a given point in 3 seconds? (1) 5 A (3) 18 A (2) 12 A (4) 45 A
1. Compared to the number of free electrons in a conductor, the number of free electrons in an insulator of the same volume is less the same greater 2. Most metals are good electrical conductors because
1 of 7 10/1/2012 3:17 PM
Assignment Previewer http://www.webassign.net/v4cgijfederici@njit/control.pl 1 of 7 10/1/2012 3:17 PM HW11Faraday (2861550) Question 1 2 3 4 5 6 7 8 9 10 1. Question Details SerPSE8 31.P.011.WI. [1742725]
Chapter 23 Practice Problems, Review, and Assessment
Section 1 Simple Circuits: Practice Problems 1. Three 22-Ω resistors are connected in series across a 125-V generator. What is the equivalent resistance of the circuit? What is the current in the circuit?
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
Extra Questions - 1. 1. What current will flow in a 20Ω resistor when it is connected to a 50V supply? a) 0.4A b) 1.6A c) 2.5A
Extra Questions - 1 1. What current will flow in a 20Ω resistor when it is connected to a 50V supply? a) 0.4A b) 1.6A c) 2.5A 2. A current of 500mA flows in a resistance of 12Ω. What power is dissipated