Question

A prism of refracting angle `4^(@)` is made of a material of refractive index 1.652. Find its angle of minimum deviation.

Answer 1

`A = 4^(@), mu = 1.652, delta = ?`
Substituting in `delta = A(mu - 1) = 4^(@)(1.652 - 1) = 4^(@) xx 0.652 = 2.608^(@)`