23 A point object on the principal axis at a distance 15 cm

Last updated: 6/24/2023

23 A point object on the principal axis at a distance 15 cm in front of a concave mirror of radius of curvature 20 cm has velocity 2 mm s perpendicular to the principal axis The velocity of image at that instant will be A 2 mm s C 8 mm s B 4 mm s D none of these