A) remain unchanged
B) become narrower
C) become faint
D) become broader
Correct Answer: B
Solution :
When separation between slits is increased in Youngs double slit experiment. Then from the formula, fringe width \[\beta =\frac{\lambda D}{d}\] Hence, it is clear that when d is increase the fringe width will become less hence, fringes will be narrower.You need to login to perform this action.
You will be redirected in
3 sec