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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

If we add $3 kg$ load to the hanger of sonometer, the fundamental frequency becomes two times its initial value. The initial load must be

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Solution:

$n \propto T \frac{n _{1}}{n _{2}} = \frac{T _{1}}{T _{2}}$ $\frac{1}{2} = (\frac{T}{T + 3})^{1/2} \Rightarrow \frac{1}{4} = \frac{T}{T + 3}$ $1 + \frac{3}{T} = 4$ $\frac{3}{T} = 3 \Rightarrow T = 1 kg$

Stream:MHT_CETSubject:PhysicsTopic:Wave on StringSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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