Aakash Institute 22 A luminous object and a screen are fixed

Last updated: 6/24/2023

Aakash Institute 22 A luminous object and a screen are fixed distance D apart A converging lens of focal length capable of forming a real image of the object on the screen will do so for two positions of the lens that are separated by distance d such that 1 d D D 4f 3 d D D 4f 2 d D D f 4 d D 2D f 27 In a eye tele of a Fina 1 3 28 An