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cse • paper_1 • waves_oscillationscse-2002-subject-02-001

Resultant wave — UPSC CSE 2002 Physics PYQ

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A wave is represented by \Psi_1 = 10 \cos(5x - 25t). Find wavelength \lambda, velocity v, frequency f and the direction of propagation. If it interferes with another was given by \psi_2 = 20 \cos(5x + 25t + \pi/3), find the amplitude and the phase of the resultant wave. (All dimensions are in SI system).

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