Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

In a stationary wave represented by $y = 2 a \cos (k x) \sin (ω t)$ the intensity at a certain point is maximum when

Answer:

Solution:

$Intensity \propto {(amplitude)}^{2}$

$\propto {(2 a \cos k x)}^{2}$

Hence, intensity will be maximum when $cos k x$ is maximum.

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Sound WaveSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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