NEET Physics Kepler's Laws MCQ Question
According to Kepler's third law, the square of the orbital period of a planet is proportional to which of the following quantities?
The cube of the semi-major axis of its orbit.
The square of the semi-minor axis of its orbit.
The cube of the orbital eccentricity.
The square of the orbital speed.
Correct Answer
Detailed Explanation
Kepler's third law states that the square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit, as derived from the analysis of Tycho Brahe's planetary data by Johannes Kepler.
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