NEET Physics Wave Optics Questions Solved


In Young’s experiment, monochromatic light is used to illuminate the two slits A and B. Interference fringes are observed on a screen placed in front of the slits. Now if a thin glass plate is placed normally in the path of the beam coming from the slit 

(1) The fringes will disappear

(2) The fringe width will increase

(3) The fringe width will increase

(4) There will be no change in the fringe width but the pattern shifts

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