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Physics - Elasticity Question with Solution | TestHub

PhysicsElasticityMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

Energy per unit volume in a stretched wire is

Options:

Answer:

Solution:

$U = (e n e r g y p e r u n i t v o l u m e) = \frac{1}{2} \times s t r e s s \times s t r a i n$

$= \frac{1}{2} (\frac{F}{A}) \times (\frac{∆ l}{l}) = \frac{1}{2} \times Y \times {(\frac{∆ l}{l})}^{2}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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