1.

The maximum intensity in Young's double slit experiment is I0. Distance between the slits is d = 5l, where l is the wavelength of monochromatic light used in the experiment. What will be the intensity of light in front of one of the slits on a screen at a distance \[D=10\,d\]

A.            \[\frac{{{I}_{0}}}{2}\]        
B.            \[\frac{3}{4}{{I}_{0}}\]
C.            I0    
D.            \[\frac{{{I}_{0}}}{4}\]
Answer» B.            \[\frac{3}{4}{{I}_{0}}\]


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