waves

Question: A wave represented by the given equation $y=a\cos (kx-\omega \,t)$ is superposed with another wave to form a stationary wave such that the point $x = 0$ is a node. The equation for the other wave is

1) $y=a\sin (kx+\omega \,t)$

2) $y=-a\cos (kx+\omega \,t)$

3) $y=-a\cos (kx-\omega \,t)$

4) $y=-a\sin (kx-\omega \,t)$

Solution:

Explanation: No Explanation

Stationary Waves

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