A point object is moving on the principal axis of a concave

Last updated: 6/14/2023

A point object is moving on the principal axis of a concave mirror of focal length 24 cm towards the mirror When it is at a distance of 60 cm from the mirror its velocity is 9cm sec What is the velocity of the image at that instant 1 5cm sec towards the mirror 2 4cm sec towards the mirror 3 4cm sec away from the mirror 4 9cm sec away from the mirror