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Recent questions tagged telegram-60378
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(chatquestion)...25. The equation of a stationary wave is represented by y = 4 sin(TX) sin(20tt), where x and y are in metre and t is in second. The amplitude at x =: is 3 (A is wavelength) (1) 3 m (2) 2/3 m (3) 2 m (4) m 26. Two coherent waves represented by y, = Acos(ot-kx) and y, = Acos ot – kx + are superimposed. The amplitude of resultant wave is (1) A (2) 3A (3) 2A (4) /2
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telegram-60378
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Mar 23, 2020
by
balaji.thirumalai
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