Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveWavesMedium2 minQB

PhysicsMediuminteger

A sonometer wire gives 3 beats per second with a fork at 20.0 cm and also at 20.4 cm. Find the frequency of the fork. (answer in $Hz$ ).

Answer:

303

Solution:

$f_{1} - f_{2} = 6$ and $f_{2} (20.4/20 - 1) = 6$ gives $f_{2} = 300$ , $f_{1} = 306$ , fork = $303$ Hz.

Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Waves

⏱ 2mℹ️ Source: QB

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