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Choose the most appropriate option. A ...

Choose the most appropriate option.
A light ray falls on a square glass slab as shown in the gure. The index of refraction of the glass, if total internal reection is occur at vertical face, is equal to

A

`(( sqrt2+ 1 ))/( 2)`

B

`sqrt ((5)/(2))`

C

`3/2`

D

`sqrt ((3)/(2))`

Text Solution

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The correct Answer is:
D
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