Last Updated On [03-11-2023]
A light beam is travelling from Region I to Region IV (refer figure). The refractive index in Region I, II, III and IV are 
respectively. The angle of incidence 
for which the beam just misses entering Region IV is
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b) |
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c) |
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d) |
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Question ID - 152736 :- A light beam is travelling from Region I to Region IV (refer figure). The refractive index in Region I, II, III and IV are respectively. The angle of incidence for which the beam just misses entering Region IV is
a)
b)
c)
d)
A light beam is travelling from Region I to Region IV (refer figure). The refractive index in Region I, II, III and IV are respectively. The angle of incidence for which the beam just misses entering Region IV is
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a) |
|
b) |
|
c) |
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d) |
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(b) Critical angle from region III to region IV
Now applying Snell’s law in region I and region III
Or
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Next Question :
An isosceles prism of angle 
has a refractive index of 1.44. Two parallel monochromatic rays enter the prism parallel to each other in air as shown. The rays emerging from the opposite faces
.png)
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a) |
Are parallel to each other |
b) |
Are diverging |
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c) |
Make an angle |
d) |
Make an angle |
with each other
with each otherView Topper Answer
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