Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 9.4, Problem 1bT
Three light waves are represented at right. The diagram are drawn to the same scale.
1. How is the wave in case 1 different from the wave in case2? Explain how you can tell from the diagrams.
2. If the wave in case 2 were green light, could the wave in case 3 be red, light or blue light? Explain.
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Students have asked these similar questions
Look for the different indices of refraction and answer the following below.
1.
A classic observation of refraction occurs when a pencil is placed in a glass half filled with water. Do this
and observe the shape of the pencil when you look at the pencil sideways, that is, through air, glass, water.
Explain your observations. Draw ray diagrams for the situation.
Solve the following problems completely. Draw and label appropriate diagrams.
1. A light ray in the air is incident on an air to glass boundary at an angle of 45.0o and is refracted inthe glass of 30.0o with the normal. What is the index of refraction of the glass?
In the figure at right the light is crossing a vertical interface with the normal
Medium n1
marked as a dashed line. The light is coming from the left and crossing to
the right..
Medium n2
normal
Which is larger?
The index of refraction is larger
The speed of light is faster in
Choose the equation or equations that you will need to use to calculate n2 given the angles of incidence and
refraction and then to find the speed of light in medium n2.
Select one or more:
a. Force on an object mass m moving in a circle of radius R: F = mv2/R
b. B-field of a long straight wire: B = Hol/2nR
c. Snell's law: n;sin0, = n2sin02
d. Doppler shift: f' = f(1 ± u/c)
e. C =
= fA
f. Magnetic Force on a moving charge: F = qvBsin0
g. Force on a current carrying wire: F = BILsine
h. Mirror or Thin Lens Equation: 1/d, + 1/d; =1/f, h/h¡ = -d/d;
Chapter 9 Solutions
Tutorials in Introductory Physics
Ch. 9.1 - A piece of yarn has been attached to the spring....Ch. 9.1 - During the demonstration, did any of the following...Ch. 9.1 - During the demonstration, each of the following...Ch. 9.1 - Prob. 2aTCh. 9.1 - Prob. 2bTCh. 9.1 - Prob. 3aTCh. 9.1 - Prob. 3bTCh. 9.2 - Describe what happens after the pulse reaches the...Ch. 9.2 - Compare the speed of a pulse in one spring to the...Ch. 9.2 - In answering the questions below, assume that each...
Ch. 9.2 - Prob. 2aTCh. 9.2 - Prob. 2bTCh. 9.2 - Prob. 3aTCh. 9.2 - Prob. 4aTCh. 9.2 - Which of the following quantities are different on...Ch. 9.2 - Prob. 4cTCh. 9.3 - Prob. 1aTCh. 9.3 - Prob. 1bTCh. 9.3 - Prob. 1cTCh. 9.3 - Prob. 1dTCh. 9.3 - Prob. 1eTCh. 9.3 - Prob. 2aTCh. 9.3 - Prob. 2bTCh. 9.3 - Prob. 2cTCh. 9.3 - Prob. 2dTCh. 9.3 - Each of the diagrams at right shows a ray incident...Ch. 9.3 - Does the ray representing a wave always “bend”...Ch. 9.4 - Shown below are mathematical and pictorial...Ch. 9.4 - Three light waves are represented at right. The...Ch. 9.4 - Write an expression for the force exerted on a...Ch. 9.4 - Imagine that the electromagnetic wave in section I...Ch. 9.4 - Prob. 3aTCh. 9.4 - Suppose that the electric field in a light wave...
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- All answers require full explanations in complete sentences. The figure below shows a spherical bubble of CO2 gas in a liquid. The index of refraction of the liquid is 1.5 times larger than that of the gas. A light ray in the liquid is incident on the bubble as shown. The black dot identifies the center of the bubble. Draw, precisely, a reasonable ray transmitted into the bubble and explain how you why it looks as you have drawn it. determinedarrow_forwardA ray is incident upon a reflective surface at an angle of 0;=64.4° relative to the direction normal to the surface (see image below to help visualize the situation). What is the angle of the reflected ray (0) relative to the normal direction (in degrees)? Incident ray 0₁ = 0₁ Normal to surface I 0₁ 0₁ Reflected ray Note: It is understood that the unit of your answer is in degrees, however do not explicitly include units in your answer. Enter only a number. If you do enter a unit, your answer will be counted wrong.arrow_forwardTwo flat mirrors make an angle of 90.0° with each other, as diagrammed below. An incoming ray makes an angle of ? = 45° with the normal of mirror A. Use the law of reflection to determine the angle of reflection from mirror B. ° from the normal line of mirror B. What is unusual about the incoming light for this arrangement of mirrors? The ray reflected from the second mirror is never parallel to the incoming ray.The ray reflected from the second mirror is always parallel to the incoming ray. There is no reflected ray.arrow_forward
- Refer to the photo below. a. What happened to the white light when it reflected out in the air? Why the light reflected out in such manner when it is white?b. How did the white light reflect out that way?c. What do you call this kind of phenomenon?arrow_forwardCal Culator is preforming experiments to determine the index of refraction of two unknown materials. Cal determines that the light follows the paths as shown on the diagrams below. Use this path, a protractor, a calculator, qnd Snell's law to determine the index of refraction of the unknown material. Show all your work in the space beside the diagram.arrow_forwardPlease compute the case problem a, b, and c:A 1,000 lumen source is 4 meter away from the center of a screen.The edge of the screen is 5 meters from the light source.a. What is the intensity of the light falling on the center of the screen?b. What is the intensity of light falling on the edge of the screen?Formula:E = I/d^2 Where : E = is the intensity of the light on the object,lux (lx) or foot candleI = is the intensity of the light at the source,lumen (lm)d = is the distance of the light source from the object,meters or ft. Example Problem1. If the magazine is 2m from the 100 lumen source, what is the intensity of the light failing on themagazine?E = I/d2E = 100/22E = 25 luxarrow_forward
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