Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationField & ForceEasy2 minPYQ_2020

PhysicsEasysingle choice

If gravitational field due to uniform thin hemispherical shell at point $P$ is $I,$ then the magnitude of gravitational field at $Q$ is (Mass of hemispherical shell is $M,$ radius is $R$ )

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Answer:

Solution:

gravitational field due to $II$ at $P$ = gravitational field at $I$ at $Q$

At $P$ ,

$E_{I} + E_{II} = \frac{G (2 m)}{{(2 R)}^{2}} = \frac{G M}{2 R^{2}}$

$E_{I} = \frac{G M}{2 R^{2}} - E_{II} = \frac{G M}{2 R^{2}} - I$

Subject:PhysicsTopic:GravitationSubtopic:Field & Force

⏱ 2mℹ️ Source: PYQ_2020

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