Question

David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m.

If he moves 1 m towards the mirror, then the distance between David and his image will be

(a) 3 m (b) 5 m (c) 6 m (d) 8 m​

Answer 1

Answer:

(a)3 m

Explanation:

Distance between David and mirror is 4m. Now, distance between David and his image is 4m. When David moves 1m towards the mirror then distance between David and the mirror is 4m-1m that is 3m. So, the distance between David and his image is 3m.