In the expression y(x, t) = 2a cos(φ/2) sin(kx – ωt + φ/2), what is the initial phase of the resultant wave? - OSCILLATIONS AND WAVES Quiz | GKFix.in

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In the expression y(x, t) = 2a cos(φ/2) sin(kx – ωt + φ/2), what is the initial phase of the resultant wave?

A. φ
B. 0
C. φ/2
D. 2φ

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