Find the angular dispersion produced by a thin prism of 18 degree having refractive index for red light 1.56 and for violet light 1.68

Question

Find the dispersion produced by a thin prism of 18 degree having refractive index fro red light =1.56 and for violet light =1.68

(a) 5.67

(b) 1.92

(c) 3.24

(d) 2.16

Answer 1

The correct option is (d) 2.16.

Explanation:

We know that dispersion produced by a thin prison