d indepen A convex lens of focal length 40 cm is held co

Last updated: 6/24/2023

d indepen A convex lens of focal length 40 cm is held co axially 12 cm above a mirror of focal length 18 cm An object held x cm above the lens gives rise to an image coincident with it Then x is equal to a 12 cm 0 b 15 cm 18 cm Ve d 30 cm X I 120 18cm of mass 3 kg is under a constant force whic