A) decrease D
B) decrease \[\alpha \]
C) decrease \[\lambda \]
D) The width cannot be changed
Correct Answer: B
Solution :
Width of the central maximum, \[{{\beta }_{0}}=\frac{2D\lambda }{a}\] \[{{\beta }_{0}}\alpha \frac{1}{a}\] \[\therefore \] To increase the width of the central maximum one should decrease a.You need to login to perform this action.
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