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Travelling Waves

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Question 1 of 5

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

$-a \cos (k x-\omega t)$

$-a \cos (k x+\omega t)$

$-a \sin (k x-\omega t)$

$a \sin (k x+\omega t)$

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Travelling Waves

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Question 1 of 5

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