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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringEquation/graphEasy2 minPYQ_2020

PhysicsEasysingle choice

Displacement - time graphs for two waves, wave - $1$ and wave - $2$ are shown here. The ratio of the intensity of wave - $1$ to that of wave - $2$ is

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Answer:

Solution:

Average intensity along the string

$< I > = 2 π^{2} f^{2} A^{2} ρ v$

$\frac{I_{1}}{I_{2}} = {(\frac{f_{1} A_{1}}{f_{2} A_{2}})}^{2} = {(\frac{T_{2} A_{1}}{T_{1} A_{2}})}^{2} = {(\frac{1}{2} \times 3)}^{2} = \frac{9}{4}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Wave on StringSubtopic:Equation/graph

⏱ 2mℹ️ Source: PYQ_2020

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