Q.
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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a
the fringe system will altogether disappear
b
the bright fringes will become brighter and the dark fringes will become darker
c
both dark and bright fringes will become darker
d
dark fringes will become brighter and bright fringes darker
answer is D.
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Detailed Solution
The contrast between the bright and dark fringes is decided by the intensity ratio.
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