Question

For a given incident ray, a plane mirror is
turned through 20°. Then, the reflected ray
turns through an angle of
(a) 20°
(b) 40°
(c) 70°
(d) 90°
and explain how with the help of diagram
​

Answer 1

Answer:

The answer is , (b) 40°

Please mark me as brainliest if the answer helps you .

Explanation:

Answer 2

Answer:

Answer is 40 mark me as braniliest and follow