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Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveStanding waveEasy2 minPYQ_2021

PhysicsEasysingle choice

The fundamental frequency of an air column in pipe ' $A$ ' closed at one end coincides with second overtone of pipe ' $B$ ' open at both ends. The ratio of length of pipe ' $A$ ' to that of pipe ' $B$ ' is

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Solution:

Fundamental frequency of pipe closed at one end $n = \frac{v}{4 ℓ}$ Second overtone of pipe open at both the ends $n^{'} = (\frac{3 v}{2 ℓ ^{'}}) n^{'} = n ∴ \frac{3 v}{2 ℓ ^{'}} = \frac{v}{4 ℓ} ∴ \frac{ℓ}{ℓ ^{'}} = \frac{1}{6}$

Stream:MHT_CETSubject:PhysicsTopic:Sound WaveSubtopic:Standing wave

⏱ 2mℹ️ Source: PYQ_2021

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