A planet has orbital radius twice as the earth's orbital radius then the time period of planet is .......... $years$
A planet has orbital radius twice as the earth's orbital radius then the time period of planet is .......... $years$
$4.2$
$2.8$
$5.6$
$8.4$
A planet has orbital radius twice as the earth's orbital radius then the time period of planet is .......... $years$
${T_2} = {T_1}{\left( {\frac{{{R_2}}}{{{R_1}}}} \right)^{3/2}}$
$= 1 \times {(2)^{3/2}} = 2.8\,\,year$
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