Question

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Updated on : 2022-09-05

Solution

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Correct option is C)

$g_{R}=R_{2}GM $

The value of $g$ changes according to

$g_{h}=(R+h)_{2}GM $

Therefore, $g_{R}g_{h} =(R+h)_{2}R_{2} $

Here, $h=R$

So, $g_{R}g_{h} =(R+hR )_{2}$

$⇒g_{R}g_{h} =(R+RR )_{2}$

$⇒g_{h}=g_{R}×41 =9.8×0.25=2.45m/s_{2}$

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