When two wave of almost equal frequencies \( v_{1} \) and \( v_{2} \) reach at a point simultane....

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When two wave of almost equal frequencies \( v_{1} \) and
P
\( v_{2} \) reach at a point simultaneously, the time interval
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between successive maxima is
(1) \( v_{1}+v_{2} \)
(2) \( v_{1}-v_{2} \)
(3) \( \frac{1}{v_{1}+v_{2}} \)
(4) \( \frac{1}{v_{1}-v_{2}} \)


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