A) fringe width will decrease
B) fringe width will increase
C) fringe width will remain unchanged
D) fringes will become less intense
Correct Answer: A
Solution :
[a] As \[\beta =\frac{\lambda D}{d}\] and \[{{\lambda }_{b}}<{{\lambda }_{y}},\] \[\therefore \] Fringe width P will decreaseYou need to login to perform this action.
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