How does the amplitude of the resultant wave depend on the phase difference φ? - OSCILLATIONS AND WAVES Quiz | GKFix.in

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Question

How does the amplitude of the resultant wave depend on the phase difference φ?

A. A = a sin φ
B. A = 2a sin(φ/2)
C. A = 2a cos(φ/2)
D. A = a cos φ

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