Which graph correctly presents variation of acceleration due to gravity with distance from centre of

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7.Gravitation

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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

B

C

D

Solution

A cceleration due to gravity,

$g \propto r$ ( if $r < {R_E}$ ) and

$g \propto \frac{1}{r^{2}}\left(\text { if } r>R_{E}\right)$

Standard 11

Physics

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