The period of a planet around Sun is 27 times that of Earth. The ratio of radius if planet's orbit to the radius of Earth's orbit is:

Options

A. 4
B. 9
C. 27
D. 64

Answer

B

Explanation

`(r_p)/(r_c)=((T_p)/(T_c))^(2//3)=((27)/(1))^(2//3)=9`