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Question: Refractive index of prism material is \(\sqrt { 2 }\) and angle of prism is 60<sup>0</sup>. The angl...

Refractive index of prism material is 2\sqrt { 2 } and angle of prism is 600. The angle of incidence for minimum deviation is –

A

300

B

450

C

600

D

900

Answer

450

Explanation

Solution

r = = 300

sin i = 2\sqrt { 2 }sin300

\ i = 450