The light ray is incident at an angle of `60^(@)` on a prism of angle `45^(@)`. When the light ray falls on the other surface at `90^(@)`, the refractive index of the material of the prism `mu` and angle of deviation d are given by

Options

A. `mu=sqrt(2),d=30^(@)`
B. `mu=1.5,d=15^(@)`
C. `mu=(sqrt(3))/2,d=30^(@)`
D. `mu=sqrt(3/2),d=15^(@)`

Answer

D