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Physics - Elasticity Question with Solution | TestHub

PhysicsElasticityMiscellaneousEasy2 minPYQ_2017

PhysicsEasysingle choice

The bulk modulus of a spherical object is $B$ . If it is subjected to uniform pressure $p$ , the fractional decrease in radius isNEET 2017

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Answer:

Solution:

$V = V o l u m e o f s p h e r e = \frac{4}{3} π r^{3}$

$\Rightarrow \frac{∆ V}{V} = 3 \frac{∆ r}{r}$

also, bulk modulus, $B = |\frac{- p}{(\frac{∆ V}{V})}|$

$|- \frac{∆ V}{V}| = \frac{p}{B}$

$3 \frac{Δ r}{r} = \frac{p}{B}$

$\frac{Δ r}{r} = \frac{p}{3 B}$

Stream:NEETSubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2017

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