In Young's double slit interference experiment, the slit separation is – McqOptions

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1.	In Young's double slit interference experiment, the slit separation is made 3 fold. The fringe width becomes [CPMT 1982, 89]
A.	1/3 times
B.	1/9 times
C.	3 times
D.	9 times
Answer» B. 1/9 times

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