1.

The time period of a satellite in a circular orbit of radius R is T. The radius of the orbit in which time period is 8T is:

Answer»

5R
2R
4R
3R

Solution :`T^(2) prop r^(3) THEREFORE r prop T^((2)/(3))`
`therefore (r_(2))/(r_(1)) = ((T_(2))/(T_(1)))^((2)/(3))=(8)^((2)/(3))=4`
`rArr r_(2)=4r_(1)`
Hence correct CHOICE is (C ).


Discussion

No Comment Found

Related InterviewSolutions