Question

In Young's double slit experiment, a glass plate is placed before a slit which absorbs half the intensity of light. Under this case

(a) The brightness of fringes decreases

(b) The fringe width decreases

(c) No fringes will be observed

(d) The bright fringes become fainter and the dark fringes have finite light intensity

Answer

(d) The bright fringes become fainter and the dark fringes have finite light intensity

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