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Serway_CP_poll_ch22

# Serway_CP_poll_ch22 - A ray of light in air is incident on...

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A ray of light in air is incident on an air-to-glass boundary at an angle of 30° 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? 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 56° 2. 46° 3. 30° 4. 18°

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A ray of light in air is incident on an air-to-glass boundary at an angle of 30° with the normal. If the index of refraction of the glass is 1.65, what is the angle of the ray reflected off the glass surface with respect to the normal? 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 56° 2. 46° 3. 30° 4. 18°
If carbon tetrachloride has an index of refraction of 1.461, what is the speed of light through this liquid? (c = 3 x 10 8 m/s) 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 4.38 x 10 8 m/s 2. 2.05 x 10 8 m/s 3. -4.461 x 10 8 m/s 4. -1.461 x 10 8 m/s

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If the critical angle for internal reflection inside a certain transparent material is found to be 48°, what is the index of refraction of the material? (Air is outside the material). 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 1.35 2. 1.48 3. 1.49 4. 0.743
Helium-neon laser light has a wavelength in air of 632.8 nm. What is the energy of a single photon in the beam? (h = 6.626 x 10 -34 J-s and c = 3 x 10 8 m/s). 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 3.14 x 10 -19 J 2. 5.4 x 10 -19 J 3. 7.6 x 10 -19 J 4. 1.15 x 10 -18 J

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A certain kind of glass has an index of refraction of 1.65 for blue light and an index of refraction of 1.61 for red light. If a beam of white light (containing all colors) is incident at an angle of 30°, what is the angle between the red and blue light inside the glass? 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 0.22° 2. 0.45° 3. 1.90° 4. 1.81°
A light beam is incident upon a still water surface. What is the maximum possible value for the angle of refraction? (n water = 1.333). 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 76.2° 2. 67.5° 3. 54.4° 4. 48.6°

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A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 30°. Part of the beam is transmitted and part is reflected. What is the angle between the reflected and transmitted rays? 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1. 79.5° 2. 90.0° 3. 130.5° 4. 140°
An optical fiber is made of clear plastic with index of refraction n = 1.50. For what angles with the surface will light remain within the plastic "guide"?

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