A) w
B) 9w
C) 4w
D) 2w
Correct Answer: C
Solution :
In interference fringe with\[=\frac{\lambda \,\,D}{d}=w\](given) \[w=\frac{\lambda \times 2\,\,D}{\frac{d}{2}}=4\times \frac{\lambda \,\,D}{d}=4w\]You need to login to perform this action.
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