Question

ABCD is a parallel slab a light ray is made to incident on AB at angle of incidence 45°. It is then gets
incident on DC at an angle of incidence 30. The refractive index of parallel slab with respect to air is
1)1/√2
2) 2
3)√2
4)1/2​

Answer 1

Answer:

1

Explanation:

bwz abcd is a paraelle