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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=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°.
=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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