Physics - Elasticity Question with Solution | TestHub

PhysicsElasticityMiscellaneousEasy2 minPYQ_2020
PhysicsEasysingle choice

IfSis stress andYis Young's modulus of the material of a wire, the energy stored in the wire per unit volume is

Options:

Answer:
B
Solution:

Energy stored in the wire=12stress×strain×volume

andYoung′s modulus=StressStrain

⟹strain=SY

Energy stored in  wireVolume=12×stress×strain

=12S×SY=S22Y

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous
⏱ 2mℹ️ Source: PYQ_2020

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