Question

Q 18. Mridul playing with a ping-pong bafi in the yard of his house one day. Suddenly his ball strikes the plane mirror PO situated at the wall of his room, at an angle of incidence 30", then after being reflected from this mirror strikes a second plane mirror OR, placed at right angles to the first mirror as shown in figure below. The angle of reflection (r)for the second mirror will be: MEDIUM1-AIR LIANA int. AD a) 30° b) 45° 9 60° d) 90​

Answer 1

Answer:

I don't know mere ko nhe pata hai

Explanation:

bot bala lekh hai