College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 25, Problem 10PE
A scuba diver training in a pool looks at his instructor as shown in Figure 25.53. What angle does the ray from the instructor’s face make with the perpendicular to the water at the point where the ray enters? The angle between the ray in the water and the perpendicular to the water is 25.0°.
Figure 25.53 A scuba diver in a pool and his trainer look at each other.
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A fish that is d=d= 2.9 m below the surface looks up and sees a child fishing from the shore.
What angle of incidence (θ1) does the ray from the person’s face make with the perpendicular to the water at the point where the ray enters? The angle of refraction (θ2) between the ray in the water and the perpendicular to the water is 35.8°.
θ1 =
A scuba diver training in a pool looks at his instructor as shown. What angle does the ray from the instructor’s face make with the perpendicular to the water at the point where the ray enters? The angle between the ray in the water and the perpendicular to the water is 25.0º.
If the index of refraction is less than the index of incidence, which of the following is TRUE?
a.The refracted ray bends towards the normal
b.Angle of refraction is equal to the angle of incidence
c.Angle of refraction is larger than the angle of incidence
d.Angle of refraction is smaller than the angle of incidence
Which of the following is TRUE?
a.Increasing the incident angle has no effect on the intensity of the reflected light ray.
b.Increasing the incident angle decreases the intensity of the reflected light ray.
c.Increasing the incident angle increases the intensity of the refracted light ray.
d. Increasing the incident angle increases the intensity of the reflected light ray.
Chapter 25 Solutions
College Physics
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