The masses of two planets are in the ratio $1 : 2$. Their radii are in the ratio $1 : 2$. The acceleration due to gravity on the planets are in the ratio
The masses of two planets are in the ratio $1 : 2$. Their radii are in the ratio $1 : 2$. The acceleration due to gravity on the planets are in the ratio
$1:2$
$2:1$
$3:5$
$5:3$
The masses of two planets are in the ratio $1 : 2$. Their radii are in the ratio $1 : 2$. The acceleration due to gravity on the planets are in the ratio
$\frac{{g'}}{g} = \frac{{M'}}{M} \times \frac{{{R^2}}}{{{{R'}^2}}} = \frac{1}{2} \times \frac{4}{1} = \frac{2}{1}$
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