A point object at a distance of 36 cm from the convex lens of focal length 10cm, is moved by 10cm in 2 sec along principle axis towards the lens. Then image will also change its position .A man argues that the image will move uniformly at the same speed as that of object. What is your opinion? Justify.

Answer

The speed of object is 2cm/s and the speed of the image is 3 cm/s.

Explanation

In conclusion, the man's arguments are false. The image moves at different speed as that of the object.