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Sheh Lit C.
University of Washington

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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 59 Problem 60 Problem 61 Problem 62 Problem 63 Problem 64 Problem 65 Problem 66 Problem 67 Problem 68 Problem 69 Problem 70 Problem 71 Problem 72 Problem 73 Problem 74 Problem 75 Problem 76 Problem 77 Problem 78 Problem 79 Problem 80 Problem 81 Problem 82 Problem 83 Problem 84 Problem 85 Problem 86 Problem 87 Problem 88 Problem 89 Problem 90 Problem 91 Problem 92 Problem 93 Problem 94 Problem 95 Problem 96 Problem 97 Problem 98 Problem 99 Problem 100 Problem 101 Problem 102 Problem 103 Problem 104 Problem 105 Problem 106 Problem 107 Problem 108 Problem 109 Problem 110 Problem 111 Problem 112 Problem 113 Problem 114

Problem 90 Easy Difficulty

CE Inverse Lenses Suppose we mold a hollow piece of plastic into the shape of a double concave lens. The "lens" is watertight, and
its interior is filled with air. We now place this lens in water and
shine a beam of light on it. (a) Does the lens converge or diverge
the beam of light? Explain. (b) If our hollow lens is double convex instead, does it converge or diverge a beam of light when
immersed in water? Explain.

Answer

(a) see explanation
(b) see explanation

Related Courses

Physics 103
Physics

Chapter 26

Geometrical Optics

Related Topics

Wave Optics

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Watch More Solved Questions in Chapter 26

Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 17
Problem 18
Problem 19
Problem 20
Problem 21
Problem 22
Problem 23
Problem 24
Problem 25
Problem 26
Problem 27
Problem 28
Problem 29
Problem 30
Problem 31
Problem 32
Problem 33
Problem 34
Problem 35
Problem 36
Problem 37
Problem 38
Problem 39
Problem 40
Problem 41
Problem 42
Problem 43
Problem 44
Problem 45
Problem 46
Problem 47
Problem 48
Problem 49
Problem 50
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Problem 77
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Problem 90
Problem 91
Problem 92
Problem 93
Problem 94
Problem 95
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Problem 97
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Problem 113
Problem 114

Video Transcript

this question. You are given, uh, lenses filled with air, and then we place this lands inside water, uh, is a double concave flint. Um, so in part A, that's the lens converts or the rich The beam of light when the when the light shines on it. So we recognize that and the surrounding the surrounding Hassan, um greater index of refraction Tham the lens than inside the lens. Okay, so, um and nephew concave lens Okay, so the idea is that, um, in the in the usual situation where we have ah, glass an air, Okay. With a double concave. We see that the mean average. Right? Okay, so now we have, uh, now we have double concave insights air outside water. Okay, so we expect the thing to do the reverse. Mhm. So you would come rich. So, uh, so n a few concave lens in order? Yes, like a solid convex lens in a cool. So I'm a broken bridge. Um, the beam of light. So this is the answer for party, Okay. And part B. Um, and probably if the hollow lens is the double convex lens. Okay, so that will come backs and they're in size and and outside water. Okay, so, um, in this case are is going to, uh, that we should be more flight. Okay. Yeah, because in the reverse, in the usual situation, Usual, where we have our glass lands, you never have air outside. Okay, what we have is converging, right? Yeah. So, yeah. So the surrounding medium, uh, in the case off this question, the surrounding medium has a higher index of refraction than, uh, index of refraction off the material that made up the lands. So ah, the f you corrects lens in order. Well, that which there being no plate. Yeah. Okay, so this is the answer for part B. Okay? And that's all.

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Top Physics 103 Educators
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