The earth revolves round the sun in one year. If the distance between them becomes double, the new period of revolution will be
The earth revolves round the sun in one year. If the distance between them becomes double, the new period of revolution will be
$\frac{1}{2}$ year
$2\sqrt 2 $ years
$4$ years
$8$ years
The earth revolves round the sun in one year. If the distance between them becomes double, the new period of revolution will be
$\frac{{{T_2}}}{{{T_1}}} = {\left( {\frac{{{r_2}}}{{{r_1}}}} \right)^{3/2}} = {(2)^{3/2}} = 2\sqrt 2 $
${T_2} = 2\sqrt 2 $ years.
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