A) \[GK=4{{\pi }^{2}}\]
B) \[GMK=4{{\pi }^{2}}\]
C) \[K=G\]
D) \[K=\frac{l}{G}\]
Correct Answer: B
Solution :
The gravitational force of attraction between the planet and sun provide the centripetal force |
i.e. |
The time period of planet will be |
(i) |
Also from Kepler's third law |
(ii) |
From Eqs. (i) and (ii), we get |
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