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Physics - Elasticity Question with Solution | TestHub

PhysicsElasticityMiscellaneousMedium2 minQB

PhysicsMediumsingle choice

A uniform dense rod with non uniform young's modulus is hanging from ceiling under gravity. If elastic energy density at every point is same then young's modulus with x will change as which of the shown graph ?

Options:

Answer:

Solution:

Elastic energy density at

$\frac{1}{2} \frac{( stress ) ^{2}}{Y} =$ constant

$\frac{1}{2} \frac{( \frac{M}{L} \frac{x}{A} g ) ^{2}}{Y} =$ constant

$Y \propto x^{2}$

Stream:JEESubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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