Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveBeatsEasy2 minPYQ_2019

PhysicsEasysingle choice

The correct figure that shows, schematically, the wave pattern produced by the superposition of two waves of frequencies $9 H z$ and $11 H z$ , is

Answer:

Solution:

Beat frequency $= 11 - 9 = 2 H z$
No.of maxima per second is 2.
Time period of beat $= \frac{1}{2} s .$

Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Beats

⏱ 2mℹ️ Source: PYQ_2019

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