The mean radius of the earth.s orbitaround the sun is 1.5 xx 10^(11)m and that of the orbit of mercury is 6 xx 10^(10)m The ratio of the orbital of mercury to that of the earth is (assumig orbits to be circular )

The mean radius of the earth.s orbitaround the sun is 1.5 xx 10^(11)m

1.	The mean radius of the earth.s orbitaround the sun is 1.5 xx 10^(11)m and that of the orbit of mercury is 6 xx 10^(10)m The ratio of the orbital of mercury to that of the earth is (assumig orbits to be circular )
Answer» `SQRT((10)/(4))` `(4)/(sqrt(10))` `2sqrt(10)` `(1)/(2)sqrt(10)` ANSWER :A