In Young's double slit experiment, using monochromatic light of wavelength 
, the intensity of light at a point on the screen where path difference is 
is 
units. The intensity of light at a point where path difference is 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
: Intensity at any point on the screen is
where 
is the intensity of either wave and 
is the phase difference between two waves.
Phase difference, 
Path difference When path difference is 
, then 
When path difference is 
, then
[Using (i)]
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