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Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveDopler's effectMedium2 minPYQ_2017

PhysicsMediumsingle choice

The observer is moving with velocity $v_{0}$ towards the stationary source of sound and then after crossing moves away from the source with velocity $v_{0} .$ Assume that the medium through which the sound waves travel is at rest. If $v$ is the velocity of sound and $n$ is the frequency emitted by the source then the difference between apparent frequencies heard by the observer is

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Answer:

Solution:

$n^{'} = n (\frac{v + v_{o}}{v})$
$n^{''} = n (\frac{v - v_{o}}{v})$
$n^{'} n^{''} = \frac{n}{v} (v + v_{0} - v + v_{0}) = \frac{2 n v_{0}}{v}$

Stream:MHT_CETSubject:PhysicsTopic:Sound WaveSubtopic:Dopler's effect

⏱ 2mℹ️ Source: PYQ_2017

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