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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
fringe pattern shifts upwards but fringe width remains unchanged.
b
fringe width increases and central bright fringe does not shift.
c
fringe width decreases and central bright fringe does not shift
d
fringe width decreases and central bright fringe shifts upwards.
answer is D.
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