Statement 1: In YDSE, as shown in figure, central bright fringe is formed at O. If a liquid is filled between plane of slits and screen, the central bright fringe is shifted in upward direction.  |
| Statement 2: If path difference at 0 increases, y-coordinate of central bright fringe will change. |
A) Statement -1 is False, Statement -2 is True
B) Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement -1
C) Statement -1 is True, Statement -2 is True; Statement-2 is NOT a correct explanation for Statement -1
D) Statement -1 is True, Statement- 2 is False
Correct Answer: A
Solution :
Filling liquid will increase the optical path length by same amount. \[\therefore \]CBF will not shift.
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