If the earth were to tripple its present distance from the sun then number of days in one year will be :

Options

A. `365xx3`
B. `365xx27`
C. `365xx3sqrt(3)`
D. `365//3sqrt(3)`

Answer

C

Explanation

`(T_(2)^(2))/(T_(1)^(2))=(r_(2)^(3))/(r_(1)^(3))impliesT_(2)=T_(1)((3R)/(R))^(3//2)`
`T_(2)" 365 " 3sqrt(3)" days"`