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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The tension in a wire is decreased by $19 %$ . The percentage decrease in frequency will be

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Answer:

Solution:

Frequency in transverse wave

$n = \frac{1}{2 l} \sqrt{\frac{T}{μ}}$

$\frac{n_{2}}{n_{1}} = \sqrt{\frac{T_{2}}{T_{1}}} = \sqrt{\frac{81}{100}} = \frac{9}{10}$

$∴ (\frac{n_{1} - n_{2}}{n_{1}}) \times 100 = 10 %$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Wave on StringSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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