In Young's double slit experiment, the distance between two slits is made three times then the fringe width will becomes

Options

A. `{:(,P,Q,R,S),((A),3,2,4,3):}`
B. `{:(,P,Q,R,S),((B),1,2,3,1):}`
C. `{:(,P,Q,R,S),((C),1,4,4,3):}`
D. `{:(,P,Q,R,S),((D),3,2,1,2):}`

Explanation

NA