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$y = acos (kx + ωt)$ superimposes on another wave giving a stationary wave having node at x = 0. What is the equation of the other wave

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−acos(kx+ωt)

acos(kx−ωt)

−acos(kx−ωt)

−asin(kx+ωt)

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detailed solution

Correct option is C

acos(kx+ω t)hence yreflected=acos(−kx+ω t+π)=−acos(kx−ω t)

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y=acos(kx+ωt) superimposes on another wave giving a stationary wave having node at x = 0. What is the equation of the other wave

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$y = acos (kx + ωt)$ superimposes on another wave giving a stationary wave having node at x = 0. What is the equation of the other wave