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Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveBeatsMedium2 minPYQ_2006

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When a guitar string is sounded with a $440 Hz$ tuning fork, a beat frequency of $5 Hz$ is heard. If the experiment is repeated with a tuning fork of $437 Hz$ , the beat frequency is $8 Hz$ . The string frequency (Hz) is

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Solution:

$v - 5 = 440 Hz$ $v - 8 = 437 Hz ∴ v = 445 Hz by both the methods.$
It could have been $435 Hz$ . It would have satisfied $440 - v = 5$ . But this would not have satisfied $437 Hz$ .

Stream:AIIMSSubject:PhysicsTopic:Sound WaveSubtopic:Beats

⏱ 2mℹ️ Source: PYQ_2006

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