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What does Kepler’s law of period relate?

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in Physics – Class 11 by (74.2k points)
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

The question was posed to me during an online exam.

This question is from Gravitation in chapter Gravitation of Physics – Class 11

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Best answer
The correct option is (c) Time period and semi-major axis

The best explanation: 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.

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