Physics, asked by sudheer25, 1 year ago

A prism with an angle of A=60 produces a minimum devation of 30. the refractive index of the material of the prism is

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Answered by vinittiwari333
5
Here
=sin{30+Dm/2}/sin60/2

=sin{30+Dm/2}/sin30=√2= 1.414°=>

Sin{30+Dm/2}=1.414×(1/2)=1/√2

=>30+Dm/2=sin-1 (1/√2)=45

=>Dm/2=45–30=15=>Dm= 30°.
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