Two point source separated by 
emit light of wavelength 
in phase. A circular wire of radius 
is placed around the source as shown in figure.
A
Points 
and 
are dark and points 
and 
are bright.
and are dark and points and are bright. B
Points 
and 
are bright and point 
and 
are dark.
and are bright and point and are dark. C
Points 
and 
are dark and points 
and 
are bright.
and are dark and points and are bright. D
Points 
and 
are bright and points 
and 
are dark.
and are bright and points and are dark.
Text Solution
Verified by ExpertsThe correct answer is:
D
At point 
and 
, path difference between light reaching from two sources is zero
So, 
Constructive interference will happen At point 
and 
path difference 
So, destructive interference will happen
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