Q3. Let x and y be the distances of the object and image formed by a concave mirror from its focus and f be the focal length, then:Physics — Optics, Nature of Light and Optical Instruments — Question 3 of 155A. xf = y2B. xy = f2C. x/y = fD. x/y = f2Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →