Question

A ray of light is incident at 45° on a glass sheath of refractive index 1.566 .find a) angke of refraction and b) angle of deviation?

Answer 1

Explanation:

a)n=sin(i)/sin(r)

1.566=sin(45°)/sin(r)

sin(r)=0.4514

r=26.83°

b)d=i+r-A

d=45°+26.83°-60°

d=11.83°