If the distance between the earth and the sun becomes `1//4th` of its present value, then its period of revolution around the sun will become

Options

A. 330 days
B. 129 days
C. 365 dyas
D. 45.6 days

Answer

d

Explanation

`T_(2)=T_(1)r^(3//2)`
`=365((1)/(4))^(3//2)=365xx(1)/(8)="45.6 days"`