Multiple Choice
Identify the choice that best completes the statement or answers
the question.
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1.
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A ray of light in air is incident on an
air-to-glass boundary at an angle of exactly 30.0° with the normal.
If the index of refraction of the glass is 1.65, what is the angle of the refracted ray within the
glass with respect to the normal?
a. | 58.3° | c. | 34.4° | b. | 37.3° | d. | 18.0° |
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2.
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A beam of light in air is incident at an angle of
35° to the surface of a rectangular block of clear plastic (n
= 1.49). What is the angle of refraction?
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3.
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Carbon tetrachloride (n = 1.46) is poured
into a container made of crown glass (n = 1.52). If a light ray in the glass is incident on
the glass-to-liquid boundary and makes an angle of 30.0° with the
normal, what is the angle of the corresponding refracted ray with respect to the
normal?
a. | 25.6° | c. | 31.4° | b. | 28.7° | d. | 64.4° |
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Short Answer
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4.
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What happens to the speed of light as it moves into
a substance with a higher index of refraction?
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5.
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A light ray passes from benzene ( ) into ice
( ). Does the light ray bend toward or away from the normal?
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Problem
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6.
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A ray of light passes from air into carbon
disulfide (n = 1.63) at an angle of 28.0° to the normal. What
is the refracted angle?
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7.
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A ray of light passes from air into cubic zirconia
at an angle of 56.0° to the normal. The angle of refraction is
22.0°. What is the index of refraction of cubic zirconia?
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8.
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A ray of light passes from air into ice (n =
1.309) at an angle of 46.0° to the normal. The refracted ray of light
then passes from ice into glycerine (n = 1.473). What is the angle of refraction of the ray of
light in glycerine?
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9.
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A ray of light passes from air into carbon
disulfide (n = 1.628) at an angle of 55.0° to the normal. The
refracted ray of light then passes from carbon disulfide into water (n = 1.333). What is the
refracted angle in the water?
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