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

Last updated: 6/24/2023

17 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 em from the mirror its velocity is 9 cm sec What is the velocity of the image at that instant 1 5 cm sec 3 4 cm sec 2 12 cm sec 4 9 cm sec