Two light waves having the same wavelength 
in vacuum are in phase initially. Then the first wave
travels a path 
through a medium of refractive index 
while the second wave travels a path of length 
through a medium of refractive index 
. After this the phase difference between the two waves is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
JEE Main 2020
Phase difference 
optical path difference 
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