If the width of the slit in single slit diffraction experiment is doubled, then the central maximum of diffraction pattern becomes :
Text Solution
Verified by ExpertsThe correct answer is:
B
Width of central maximum in diffraction patern due to single slit 
where 
is the wavelength D is the distance between screen and slit and a is the slit width.
As the slit width a increases width of central maximum decrease i.e. central maximum becomes sharper or narrower. As same energy is distributed over a smaller area therefore central maximum becomes brighter.
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