Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveStanding waveEasy2 minPYQ_2020

PhysicsEasysingle choice

The length of a sonometer wire tuned to a frequency of $250 H z$ is $0.60$ $m$ . The frequency of tuning fork with which the vibrating wire will be in tune when the length is made $0.40$ $m$ is

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Solution:

$n_{1} L_{1} = n_{2} L_{2} \Rightarrow 250 \times 0.6 = n_{2} \times 0.4 \Rightarrow n_{2} = 375$
$\Rightarrow n_{2} = 375 H z$

Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Standing wave

⏱ 2mℹ️ Source: PYQ_2020

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