KCET 2012 Physics Solved Paper

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Question : 40 of 60

Marks: +1, -0

If the two slits in Young's double slit experiment are unequal width, then

the bright fringes will have unequal spacing.
the bright fringes will have unequal brightness.
the fringes do not appear.
the dark fringes are not perfectly dark.

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