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The angle of minimum deviation for a 75^...

The angle of minimum deviation for a `75^(@)` prism of dense glass is found to be `45^(@)` when in air and `15^(@)` when immersed in certain liquid. The refractive index of the liquid is

A

`sqrt(2/3)`

B

`3/2`

C

`sqrt(3/2)`

D

`sqrt3`

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The correct Answer is:
C
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AAKASH INSTITUTE-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISE
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