Question

A ray incidents with 45° angle on a su
face of a slab then it emerges with
angle ...
1) 90° 2) 30° 3) 45° 4) 60°​

Answer 1

Answer:

3)45° is the answer

(angle of incidence=angle of reflection)

Explanation:

✨️☺️✨️

Answer 2

Answer:

c) 45-degrees is a right answer..