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When two waves of the same amplitude and...

When two waves of the same amplitude and frequency but having a phase difference of `phi`, travelling with the same speed in the same direction (positive x), interfere, then

A

their resultant amplitude will be twice that of a single wave but the frequency will be same

B

their resultant amplitude will both be twice that of a single wave

C

their resultant amplitude will depends on the phase angle while the frequency will be the same

D

the frequency and amplitude of the resultant wave will depends upon the phase angle.

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The correct Answer is:
C
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