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If one of the two slits of Young's double-slit experiment is painted so that it transmits half the light intensity as the second slit, then

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the fringe system will altogether disappear

the bright fringes will become brighter and the dark fringes will become darker

both dark and bright fringes will become darker

dark fringes will become brighter and bright fringes darker

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detailed solution

Correct option is D

The contrast between the bright and dark fringes is decided by the intensity ratio.

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