pls ans my ques :-A prism of an angle of 42 degree has minimum deviation of 18 degree - Science - Optics

Question

pls ans my ques :-A prism of an angle of 42 degree has minimum
deviation of 18 degree Determine the refractive index of the prism
material

Pintu B. · Accepted Answer

Dear Student ,
As we know that the refractive index of the material of the prism
is ,
μ=SinA+δm2sinA2=sin 30°sin 21°=1·395
Regards

pls ans my ques :-A prism of an angle of 42 degree has minimum deviation of 18 degree . Determine the refractive index of the prism material