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A beam of light is converging towards a ...

A beam of light is converging towards a point. A plane parallel plate of glass of thickness t, refractive index  is introduced in the path of the beam. The convergent point is shifted by (assume near normal incidence) :

A

`t (1- 1/mu)`

B

`t (1+ 1/mu)`

C

nearer

D

away

Text Solution

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The correct Answer is:
A, D
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