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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringMiscellaneousHard2 minPYQ_2023

PhysicsHardsingle choice

The fundamental frequency of a sonometer wire carrying a block of mass ' $M$ ' and density ' $ρ$ ' is ' $n$ ' Hz. When the block is completely immersed in a liquid of density ' $σ$ ' then the new frequency will be

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Solution:

$∴ T n \propto T T = mg = ρ Vg \propto ρ Vg$ After immersion in the liquid, $∴ ∴ \frac{n _{2}}{n} \propto \frac{V ( ρ - σ ) g}{V ρ g} n_{2} = n [\frac{ρ - σ}{ρ}]^{\frac{1}{2}}$

Stream:MHT_CETSubject:PhysicsTopic:Wave on StringSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2023

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