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Subject :NSO    Class : Class 4

Why are the days on different planets of different time period?

AThe planets revolve around the Sun in different orbits.
BThe planets rotate on their axis at different speeds.
CThe planets revolve around the Sun at different speeds.
DThe planets are at different distances from the Sun.

Ans 1: (Master Answer)

Class : Class 1


Length of the day depends on the speed of rotation of a planet on its axis. The more is the speed the shorter is the length of the day.

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