Question

An object is moving towards a concave mirror of focal length 24 cm. When it is a distance of 60 cm from the mirror its speed is 9 cm/s. The speed of its image at that instant, is

9 cm/s towards the mirror
4 cm/s towards the mirror
4 cm/s away from the mirror
9 cm/s away from the mirror

Answer 1

Answer:

4 cm/s away from the mirror