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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringMiscellaneousMedium2 minPYQ_2020

PhysicsMediumsingle choice

Two identical strings of length ' $ℓ$ ' and '2 $ℓ$ ' vibrate with fundamental frequencies 'N' hertz and '1:5 N' hertz, respectively. The ratio of tensions for smaller length to larger length is

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Solution:

$N = \frac{1}{2 ℓ} \frac{T _{1}}{m}$ $1.5 N = \frac{1}{4 ℓ} \frac{T _{2}}{m}$ $∴ \frac{T _{1}}{T _{2}} = \frac{N \times 2 ℓ}{1.5 N \times 4 ℓ} = \frac{1}{3}$ $\frac{T _{1}}{T _{2}} = \frac{1}{9}$

Stream:MHT_CETSubject:PhysicsTopic:Wave on StringSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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