MCQ
A mean solar day is:
  • The average time taken for Earth to rotate on its axis: $24$ hours.
  • B
    The time taken for the moon to go once around the Sun.
  • C
    A day when the sun emits a lot of dangerous particles.
  • D
    The time taken for the Earth to go once around the Sun.

Answer

Correct option: A.
The average time taken for Earth to rotate on its axis: $24$ hours.

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