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Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

If the amplitude of sound is doubled and the frequency is reduced to one fourth, the intensity of sound at the same point will be

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Answer:

Solution:

Intensity is proportional to (amplitude)²and also intensity is proportional to (frequency)². Therefore, intensity becomes $\frac{2^{2}}{4^{2}} = {\frac{1}{4}}^{th}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Sound WaveSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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