A thin prism of angle `15^@` made of glass of refractive index `mu_1=1.5` is combined with another
Channel: Doubtnut
Date: 30/08/2020

A thin prism of angle `15^@` made of glass of refractive index `mu_1=1.5` is combined with another prism of glass of refractive index `mu_2=1.75`. The combination of the prisms produces dispersion without deviation. The angle of the second prism should be