Q918
The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:
A.
8 T
AnswerB.
4 T
C.
1 T
D.
2 T
Answer: Option A
Solution
Answer: Option A
Solution:
The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be 8T.