Question

What does Kepler’s law of period relate?

• A. Time period and semi-minor axis
• B. Time period and eccentricity
• C. Time period and semi-major axis
• D. Time period and area swept by the planet

Answer 1

Answer:

C. Time period and semi-major axis

According to Kepler’s law of periods, the square of time period f revolution of a planet is directly proportional to the cube of the semi-major axis of the planet’s elliptical orbit.