As we saw in the video, light rays obey the law of reflection when they strike a surface. When an incident ray strikes a surface and exits as a reflected ray, the angle of reflection is equal to the angle of incidence. Both angles are typically measured with respect to a normal line that passes through the reflection point. In the figure below, the incident ray makes an angle of 0,= 33.0° with the normal. 1 0.10 r A ray of light travels down and to the right, striking a mirror at an angle 0 of 8, with the normal. The ray is then reflected up and to the right, at an angle of 8, with the normal. What is the angle of reflection, 8,? (Enter your answer in degrees.) 8 = 33 ✓ Correct. By the law of reflection, the reflected angle is equal to the incident angle. O What is the angle the reflected ray makes with the surface? (Enter your answer in degrees.) angle with surface = 33 X x Note that the question asks for the angle with respect to the surface, not to the normal line. How are the two related?
As we saw in the video, light rays obey the law of reflection when they strike a surface. When an incident ray strikes a surface and exits as a reflected ray, the angle of reflection is equal to the angle of incidence. Both angles are typically measured with respect to a normal line that passes through the reflection point. In the figure below, the incident ray makes an angle of 0,= 33.0° with the normal. 1 0.10 r A ray of light travels down and to the right, striking a mirror at an angle 0 of 8, with the normal. The ray is then reflected up and to the right, at an angle of 8, with the normal. What is the angle of reflection, 8,? (Enter your answer in degrees.) 8 = 33 ✓ Correct. By the law of reflection, the reflected angle is equal to the incident angle. O What is the angle the reflected ray makes with the surface? (Enter your answer in degrees.) angle with surface = 33 X x Note that the question asks for the angle with respect to the surface, not to the normal line. How are the two related?
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11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Part 2 of 7
As we saw in the video, light rays obey the law of reflection when they strike a surface. When an incident ray
strikes a surface and exits as a reflected ray, the angle of reflection is equal to the angle of incidence. Both
angles are typically measured with respect to a normal line that passes through the reflection point.
In the figure below, the incident ray makes an angle of 0,= 33.0° with the normal.
I
0.10
r
A ray of light travels down and to the right, striking a mirror at an angle
of 8, with the normal. The ray is then reflected up and to the right, at an
angle of 8 with the normal.
What is the angle of reflection, 8? (Enter your answer in degrees.)
0,= 33
✓ Correct. By the law of reflection, the reflected angle is equal to the incident angle.
What is the angle the reflected ray makes with the surface? (Enter your answer in degrees.)
angle with surface = 33
x Note that the question asks for the angle with respect to the surface, not to the normal line. How are the two
related? 0
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