If the separation between slits in Young?s double slit experiment is r – McqOptions

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1.	If the separation between slits in Young?s double slit experiment is reduced to \[\frac{1}{3}rd,\] the fringe width becomes n times. The value of n is [MP PET 2003]
A.	3
B.	\[\frac{1}{3}\]
C.	9
D.	\[\frac{1}{9}\]
Answer» B. \[\frac{1}{3}\]

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