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Question

A ray of light passes from a medium A having refractive index 1.6 to the medium B having refractive index 1.5. The value of critical angle of medium A is _____

A
sin11615
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B
sin1(1615)
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C
sin1(12)
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D
sin1(1516)
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Solution

The correct option is D sin1(1516)
As the law of refraction we have,
sinicsin90=1.51.6
sinic=1516
ic= Critical angle of medium A
=sin1(1516).

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