A) 0.20 mm
B) 0.401 mm
C) 0.242 mm
D) 0.165 mm
Correct Answer: A
Solution :
\[\beta =\frac{\lambda D}{d}\]; If \[\lambda \] and d both increase by 10%, there will be no change in fringe width \[(\beta )\].You need to login to perform this action.
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