Serway_CP_poll_ch23

Serway_CP_poll_ch23 - A concave mirror with a focal length...

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real image 30 cm away on its principal axis; the corresponding object is located how far from the mirror? 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. 20.0 cm 2. 15.0 cm 3. 7.5 cm 4. 5.0 cm
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If you stand three feet in front of a plane mirror, how far away would you see yourself in the mirror? 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. 1.5 ft 2. 3.0 ft 3. 6.0 ft 4. 12.0 ft
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mirror surface along the principal axis. If the corresponding object is at a 10 cm distance, what is the mirror's focal length? 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. 1.4 cm 2. 16.7 cm 3. 12.4 cm 4. 7.1 cm
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If a virtual image is formed along the principal axis 10 cm from a concave mirror with the focal length 15 cm, what is the object distance from the mirror? 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. 30.0 cm 2. 10.0 cm 3. 12.4 cm 4. 7.1 cm
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If a virtual image is formed 10 cm along the principal the object distance from the mirror? 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. 30.0 cm 2. 10.0 cm 3. 6.0 cm 4. 3.0 cm
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If a man's face is 30 cm in front of a concave shaving object, what is the mirror's focal length? 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. 12.0 cm 2. 20.0 cm 3. 70.0 cm 4. 90.0 cm
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What is the image location of an object 1 m in front of a converging lens of focal length 20 cm? 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. q = +16.7 cm 2. q = +20.0 cm 3. q = +25.0 cm 4. q = +33.3 cm
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hold this lens to get a magnification of +2? 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. 10.0 cm 2. 7.5 cm 3. 5.0 cm 4. 2.5 cm
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A contact lens is made of plastic with an index of refraction 1.50. The lens has an outer radius of curvature of +2.0 cm and an inner radius of curvature of +2.5 cm. What is its focal length? 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. -20 cm 2. +6.67 cm 3. +10 cm 4. +20 cm
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plastic bowl of index of refraction 1.33. If the goldfish is 10 cm from the front wall of the 15 cm radius bowl, where does the goldfish appear to an observer in front of the bowl? 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. q = -6 cm 2. q = -7 cm 3. q = -8 cm 4. q = -9 cm
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curvature for the curved surface is 10 cm. What must the index of refraction be so that the focal length is -10 cm? 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. 1.5 2. 2.0 3. 3.0 4. 0.5
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curvature of 20 cm and it is made from material with an index of refraction of 2.5. What is the focal length of the lens?
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This note was uploaded on 01/19/2010 for the course PHYS 200 taught by Professor Davies during the Spring '08 term at Roger Williams.

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Serway_CP_poll_ch23 - A concave mirror with a focal length...

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