Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationField & ForceMedium2 minPYQ_2012

PhysicsMediumsingle choice

If the radius of the earth were to shrink by one per cent, its mass remaining the same, the value of g on the earth's surface would

Answer:

Solution:

$g = \frac{GM}{R ^{2}} \Rightarrow \frac{dg}{g} = - 2 \frac{dR}{R}$ $\frac{dR}{R} = - 1% \Rightarrow \frac{dg}{g} = 2%$

Stream:BITSATSubject:PhysicsTopic:GravitationSubtopic:Field & Force

⏱ 2mℹ️ Source: PYQ_2012

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