S 1 and S 2 are two sources of sound emitting sine waves. The two sources are in phase. The sound emitted by the two sources interfere at point F. The waves of wavelength:
A
1 m will result in constructive interference
B
m will result in constructive interference
C
2m will result in destructive interference
D
4m will result in destructive interference
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION
(a, b, d)
For constructive interference path difference ( Δ S)
Δ S = nλ (n = 1, 2, 3, 4.......)
here Δ S = 2 m
So option A & B are satisfied for constructive interference similarly for destructive interference
Δ S = (2n + 1) 
so D option satisfied condition
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