In a Young's double slit experiment with slit separation 
one observes a bright fringe at angle 
by using light of wavelength 
When the light of wavelength 
is used a bright fringe is seen at the same angle in the same set up. Given that 
and 
are in visible range 
to 
, their values are:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2019
Path difference 
For bright fringe, path difference must be integral multiple of 
for 
for 
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