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Rotation and Revolution of the Earth

The duration ...

Question

The duration of the period of exactly $24$ hours is called _____________.

A

Solar day

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B

Lunar day

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C

Sidereal day

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D

Apparent day

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Solution

The correct option is A Solar day
A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky. The duration of its period is exactly 24 hour.

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