Question

Earth needs one year to complete one revolution around the sun if the distance between sun and earth is doubled then the period of revolution of earth will become

Answer 1

mercury takes 243 Earth days to rotate once on its axis (sidereal day). The planet's orbit around the Sun takes 225 Earth days, compared to the Earth's 365. A day on the surface of Venus (solar day) takes 117 Earth days. hence we cannot predict the speed of planetary speed