What does Kepler’s law of period relate?

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Editor">Editor Staff asked 1 year ago

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
Select the correct answer from above options 
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Editor">Editor Staff answered 1 year ago

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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