Physics - Sound Wave Question with Solution | TestHub
PhysicsSound WaveWavesMedium2 minQB
PhysicsMediumsingle choice
Consider ten identical sources of sound all giving the same frequency but having phase angles which are random. If the average intensity of each source is , the average of resultant intensity due to all these ten sources will be:
Options:
Answer:
B
Solution:
With random phases the cross terms average to zero, so intensities add: .
Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Waves
⏱ 2mℹ️ Source: QB
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