Question

Please give me answer​

Answer 1

Explanation:

Ans:- d) 40 degree

Reason:- Angle of incidence is always equal to the angle of reflection.

Answer 2

we all know that te angel of incidence is equal to angel of reflection

so as you know the angel of reflection is 40 dgree

so the angel of incidence is also 40 degree

hope this will help you