Q22. The distance between an object and the screen is 100cm. A lens placed between them produces an image on the screen when the lens is placed at two positions 40cm apart. The power of the lens is nearly:Physics — Optics, Nature of Light and Optical Instruments — Question 22 of 155A. 3 dioptersB. 5 dioptersC. 7 dioptersD. 9 dioptersPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →