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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Gravitation
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Average density of the earth

a) is complex function of g b) does not depend on g c) in versely proportional to g d) directly proportional to g
Can you answer this question?
 
 

1 Answer

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$g=\large\frac{GM}{R^2}$
$\quad=\large\frac{G\rho \Large\frac{4}{3} \large \pi R^3}{R^2}$
$g= \large\frac{4}{3} $$ \rho \pi G R$
$g \;\alpha\; \rho$
average density is directly proportional to g
Hence d is the correct answer.

 

answered Aug 11, 2013 by meena.p
edited Feb 17, 2014 by meena.p
 

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