Question

A trihedral prism with refracting angle 60 deviates a light ray by 30

Answer 1

refractive index (n)= sin (A+D)/2 ÷ Sin A/2
n=sin (60+30)/2 ÷ Sin 60/2
= sin 45 /sin 30
=1/√2 ÷1/2
= √2

is the answer

Answer 2

Answer:

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