If earth suddenly shrinks (without changing mass) to half of its present radius, acceleration due to

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7.Gravitation

easy

If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be

A

$g/2$

B

$4g$

C

$g/4$

D

$2g$

Solution

(b)$g = \frac{{GM}}{{{R^2}}}.$ If radius shrinks to half of its present value then $g$ will becomes four times.

Standard 11

Physics

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