A) become broader and fainter
B) become broader and brighter
C) become narrower and fainter
D) become narrower and brighter
E) remain unchanged
Correct Answer: D
Solution :
Width of central maximum \[\beta =\frac{D\lambda }{d},\]d being slit width. If the slit width is increased the central maximum becomes narrower and more light reaches the region.You need to login to perform this action.
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