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Question: A ray of light passing through a prism of refracting angle 60<sup>0</sup> has to deviate by at least...

A ray of light passing through a prism of refracting angle 600 has to deviate by at least 300. Then the refractive index of prism should be –

A

£2\sqrt { 2 }

B

³2\sqrt { 2 }

C

³3\sqrt { 3 }

D

£ 3\sqrt { 3 }

Answer

³2\sqrt { 2 }

Explanation

Solution

A = 600, dm = 300, m = = 2\sqrt { 2 }