Two waves of amplitudes A and 3A are superposed and they have a phase difference of π. What kind of interference is possible
A
Constructive interference
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B
Destructive interference
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C
Interference depends on wavelength difference
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D
Interference depends on frequency difference
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Solution
The correct option is B Destructive interference Destructive interference is possible, since the phase difference between them is π radians The correct option is (b)