Q123. In Michelson’s interferometer, if movable mirror is displaced through distance equal to wavelength of monochromatic light then the number of bright fringes observed will be:Physics — Optics, Nature of Light and Optical Instruments — Question 123 of 155A. 1B. 2C. 3D. 4Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →