Width of the principal maximum on a screen at a distance of 50 cm from the slit having width 0.02 cm is 312.5 x 10 -3 cm . If waves were incident normally on the slit, then wavelength of the light from the source will be
A
6000 
B
6250 
C
6400 
D
6525 
Text Solution
Verified by ExpertsThe correct answer is:
B
6250 
Width of central max. 
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