4 When object is at a distance of 30 cm from concave mirror

Last updated: 6/26/2023

4 When object is at a distance of 30 cm from concave mirror Consider two reflection first one on plane mirror second one on concave mirror The velocity of final image after two reflection is a 9 m s Find a 10 m s V 10 m s f 20 cm O 20 m s 50 cm