Q910
Kepler's law of planetary motion states that the square of the time period is proportional to the
A.
Semi-major axis
B.
Square of the semi-major axis
C.
Cube of the semi-major axis
AnswerD.
Fourth power of the semi-major axis
Answer: Option C
Solution
Answer: Option C
Solution:
The square of the time period of the planet is directly proportional to the cube of the semimajor axis of its orbit.