Beats are produced by frequencies \( v_{1} \) and \( v_{2} \) (such that \( v_{1}v_{2} \) ). Mat...

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Beats are produced by frequencies \( v_{1} \) and
\( v_{2} \) (such that \( v_{1}v_{2} \) ). Match the Column I
(characteristic) with Column II (respective formula) and select the correct answer from the codes given below.
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