A point object is at 30 cm from a conve lens 3 2 of focal

Last updated: 6/11/2023

A point object is at 30 cm from a conve lens 3 2 of focal length 20 cm The fin image of object will be at infinity if 1 another concave lens of focal length 60 c is placed in contact with the previous lens 2 another convex lens of focal length 60 cm placed at a distance of 30 cm from the first ler 3 the whole system is immersed in a liqu of refractive index 4 3 4 the whole system is immersed in a liquid