Q31. A plane monochromatic light falls normally on a diaphragm with two narrow slits separated by a distance d = 2.5 mm. A fringe pattern is formed on the screen placed at D = 100 cm behind the diaphragm. If one of the slits is covered by a glass plate of thickness 10 m, then the distance by which these fringes will be shifted will be:Physics — Optics, Nature of Light and Optical Instruments — Question 31 of 155A. 2 mmB. 3 mmC. 4 mmD. 5 mmPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →