The central fringe in the interference pattern obtained in Young's double slit experiment will be a dark fringe when the phase difference between the waves from the two slits is
A
zero
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Path difference at central fringe is zero. So if initial phase difference of 
is accuring at slits we can get a minima at central fringe.
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