Engineering
Physics
Physical Quantities
Question

Two transparent media of refractive indices µ1 and µ3 have a solid lens shaped tan parent material refractive index µ2 between them as shown in figures in Column II. A ray traversing these media is also shown in the figures. In Column I different relationships between µ1, µ2 are given. Match them to the ray diagrams shown in Column II.

Column-I Column-II
(A) µ1 < µ2
(B) µ1 > µ2
(C) µ2 = µ3
(D) µ2 > µ3
 
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Solution
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For (p) μ2 > μ1

as light rays bend towards normal at first refraction

µ2 = µ3 as no refraction occurs at second refraction

Option : (A), (C)

For (q)

μ2 < μ1 as bend away from normal at first refraction

μ3 < μ2 as bends away from normal at second refraction

Option (B), (D)

For (r)

μ2 > μ1 as bend towards the normal at first refraction

μ2 = μ3 as no refraction occurs at second refraction

Option (A), (C)

For (s)

μ2 < μ1 as bend away from normal at first refraction

μ3 < μ2 as bend away from normal at second refraction

Option (B), (D)

For (t)

μ2 < μ1 as bend away from normal at first refraction

μ2 = μ3 as no refraction occurs at second refraction

Option (B), (C)

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