A wave represented by the equation: y = a cos (kx –ꞷt) is superposed with another wave to form a stationary wave such that the point x = 0 is a node. The equation of the other wave is –
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Verified by ExpertsThe correct answer is:
C
At x = 0, node is formed that is reflection takes place from rigid end, So equation of reflected wave.
y = a cos (kx + ꞷt + π π )
= – a cos (kx + ꞷt)
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