According to Kepler's Laws, the cube of the mean distance of a planet from the sun is proportional to the _________.
A
area that is swept out
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B
cube of the period of revolution
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C
square of the period of revolution
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D
fourth power of the mean distance
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Solution
The correct option is C square of the period of revolution According
to third law of Kepler, the cube of the mean distance of a planet from the sun
is proportional to the square of the periods. This law is also known as Law of
periods. It makes a comparison between orbital period and radius of orbit of a
planet to those of other planets. This law describes the motion characteristics
of a single planet.