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27-02-2024
Physics

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Which of the following function correctly represents the travelling wave equation for finite positive values of x and t?
1) f(x,t) = A sin(kx - Ωt)
2) f(x,t) = A sin(kx + Ωt)
3) f(x,t) = A cos(kx - Ωt)
4) f(x,t) = A cos(kx + Ωt)

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