Question

@? Answer in one word


(1) What is the angle of incidence of a ray if the
reflected ray is at an angle of 90° to the incident
ray ?
(2) How many images of a candle will be formed if it placed between two parallel plane mirrors separated by 40 cm ¿??¿​

Answer 1

Answer:

1. 45°
2. Solution: Infinite images are formed when two plane mirrors are placed parallel to each other, irrespective of the distance.

Answer 2

What is the angle of incidence of a ray if the reflected ray is at an angle of 90� to the incident ray? Ans. The angle of incidence ray will be 45°.

How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm? Solution: Infinite images are formed when two plane mirrors are placed parallel to each other, irrespective of the distance.