An achromatic prism is made by combining two prisms `P_1(mu_v=1.523, mu_r=1.515)` and `
Channel: Doubtnut
Date: 2020-08-23

An achromatic prism is made by combining two prisms `P_1(mu_v=1.523, mu_r=1.515)` and `P_2(mu_v=1.666, mu_r=1.650)`, where `mu` represents the refractive index. If the angle of the prism `P_1` is `10^@`, then the angle of prism `P_2` will be