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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationField & ForceEasy2 minPYQ_2020

PhysicsEasysingle choice

If the change in the value of $g$ at a height $h$ above the surface of the earth is the same as at a depth $x$ below it. When both $x$ and $h$ are much smaller than the radius of the earth. Then

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Solution:

At height $h$ ,acceleration due to gravity $g_{h} = g (1 - \frac{2 h}{R})$

At depth $d$ ,acceleration due to gravity $g_{d} = g (1 - \frac{d}{R}) = g (1 - \frac{x}{R})$
Comparing $g_{h} = g_{x}$

$\Rightarrow 2 h = x$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:GravitationSubtopic:Field & Force

⏱ 2mℹ️ Source: PYQ_2020

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