Light consisting of a plane waves of wavelength, 
and 
generates an interference pattern in Young's double slit experiment. If 
denotes the 
th dark fringe due to light of wavelength 
which coincides with 
th bright fringe due to light of wavelength 
, then
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Given, wavelength 
and 
Position of 
dark fringe to 
[for 
]
Position of 
bright fringe
[for 
]
Position of 
dark fringe and bright fringe consider so their position are equal.
when 
and 
, then above eq. is satisfied.
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