Q61 / 90 · JEE Main 2012 (07 May Online) · Physics

Which graph correctly presents the variation of acceleration due to gravity with the distance from the centre of the earth (radius of the earth $=R_E$ )?

A
Correct answer
B
C
D

Solution

Acceleration due to gravity, $g \propto r$ (if $r < R_E$ ) and $g \propto \frac{1}{r^2}\left(\right.$ if $\left.r>R_E\right)$

Hence, the correct answer is option: 'B'.

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