Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Two waves originating from source 
and 
having zero phase difference and common wavelength 
will show completely destructive interference at a point 
if
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
For destructive interference :
Path difference 
For 
So, destructive pattern is possible only for path difference
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