The distance of two planets from the Sun are 10^(13)and10^(12) metres respectively. The ratio of time periods of these two planets is:

The distance of two planets from the Sun are 10^(13)and10^(12) metres

1.	The distance of two planets from the Sun are 10^(13)and10^(12) metres respectively. The ratio of time periods of these two planets is:
Answer» 100 `(1)/(SQRT(10))` `sqrt(10)` `10sqrt(10)` Solution :`(T_(1))/(T_(2)) = sqrt((R_(1)^(3))/(R_(2)^(3))) = sqrt((10^(13))^(3)/(10^(12))^(3)) = sqrt((10^(39))/(10^(36))) = 10sqrt(10)`