Question

Two plane mirrors are inclined at an angle of 70°.
For a ray of light, incident on mirror 1 as shown,
its angle of reflection from mirror 2 is

(1) Greater than its angle of reflection at mirror 1
(2) Lesser than its angle of reflection at mirror 1
(3) Equal to 70°
(4) Greater than 40​

Answer 1

Answer:

3 equal to 70

Explanation:

because angle of incident ray is equal to angle of reflected ray