Physics-
General
Easy
Question
Coherent light is incident on two fine parallel slits S1 and S2 as shown in fig If a dark fringe occurs at P, which of the following gives possible phase differences for the light waves arriving at P from S1 and S2?
- 2
, 4 , 6
- 1/2, 5/2, 9/2
- , 3 , 5
- 1/2, 3/2, 5/2
, 4 , 6
, 5/2, 9/2
, 3 , 5
, 3/2, 5/2
The correct answer is: , 3 , 5
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