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The wave function of a pulse is given by...

The wave function of a pulse is given by `y=(5)/((4x+6t)^(2))` where x and y are in metre and t is in second :-
(i) Identify the direction of propagation
(ii) Determine the wave velocity of the pulse

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The correct Answer is:
(i) `-xaxis` (ii) `-1.5` m/s
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