Q. According to Kepler, the period of revolution of a planet $(T)$ and its mean distance from the sun $(r)$ are related by the equation
A) $T^{3}r^{3} =$ constant
B) $T^{2}r^{- 3}$= constant
C) $Tr^{3} =$ constant
D) $T^{2}r =$ constant
Explanation
(b) $\frac{T^{2}}{r^{3}} =$ constant $\Rightarrow T^{2}r^{- 3} =$ constant
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.