College Physics:
11th Edition
ISBN: 9781305965515
Author: SERWAY, Raymond A.
Publisher: Brooks/Cole Pub Co
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Textbook Question
Chapter 22, Problem 39P
A light ray is incident normally to the long face (the hypotenuse) of a 45°–45°–90° prism surrounded by air, as shown m Figure 22.26b. Calculate the minimum index of refraction of the prism for which the ray will totally internally reflect at each of the two sides making the tight angle.
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A tall cup is partially filled with water (n=1.33) to a height of 8.0 cm (Hwater). The diameter (D) of the cup is 14.64 cm. A student looks downward just over the left rim of the cup at an angle of 40.5 degrees with the water's surface (theta). At this angle, the refraction of light at the water's surface just barely allows her to see the bottom-right corner of the cup. A sketch (not drawn to scale) of the path of light is shown in the Figure below. Determine the height of the cup (Hcup) in metres.
A tall cup is partially filled with water (n=1.33) to a height of 8.0 cm (Hwater). The
diameter (D) of the cup is 14.64 cm. A student looks downward just over the
left rim of the cup at an angle of 40.5 degrees with the water's surface (theta).
At this angle, the refraction of light at the water's surface just barely allows her
to see the bottom-right corner of the cup. A sketch (not drawn to scale) of the
path of light is shown in Figure below. Determine the height of the cup (Hcup) in
metres.
Eye
Hap
Hwater
-D-
Figure #
The figure below shows the path of a beam of light through several layers with different indices of refraction. (Assume n.
1.08.)
n =
1.60
n = 1.40
n = 1.20
(a) If 01
36.0°, what is the angle 0, of the emerging beam?
%D
(b) What is the smallest incident angle 0, to have total internal reflection at the surface between the medium with n = 1.20 and the medium withn, = 1.08?
Chapter 22 Solutions
College Physics:
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