Q55. In Young's double slit experiment D is the distance between slits and the screen d is the slit separation and A, is the wave length of light used, then the fringe spacing is given by:Physics — Optics, Nature of Light and Optical Instruments — Question 55 of 155A. λ D/dB. λd/DC. d/λDD. Dd/λPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →