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Standard XII

Physics

Relation between Linear and Angular Speed

Two tuning fo...

Question

Two tuning forks of frequency $n_{1}$ and $n_{2}$ produces n beats per second. If $n_{2}$ and $n$ are known, $n_{1}$ may be given by :

\frac{n_{2}}{n} + n_{2}

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n_{2} n

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n_{2} \pm n

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\frac{n_{2}}{n} - n_{2}

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Solution

The correct option is D $n_{2} \pm n$
Beat frequency = number of beats / sec.
$n = n_{2} \pm n_{1}$
$∴ n_{1} = n_{2} \pm n$

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Two tuning forks of frequency n1 and n2 produces n beats per second. If n2 and n are known, n1 may be given by :

The correct option is D n2±nBeat frequency = number of beats / sec.n=n2±n1∴n1=n2±n

Two tuning forks of frequency $n_{1}$ and $n_{2}$ produces n beats per second. If $n_{2}$ and $n$ are known, $n_{1}$ may be given by :

The correct option is D $n_{2} \pm n$
Beat frequency = number of beats / sec.
$n = n_{2} \pm n_{1}$
$∴ n_{1} = n_{2} \pm n$