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प्रश्न
What are the effects of rotation and revolution?
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उत्तर
- Effects of Rotation:
- It is the spinning movement of the Earth on its axis
- The time taken by the Earth to complete one rotation is called a day.
- The rotation of the Earth causes day and night, As the Earth is spherical in shape, only one half of it is illuminated by the Sun at a time.
- The other half remains dark.
- The illuminated portion of the Earth experiences day, whereas the darkened part of the Earth experiences night.
- Effects of Revolution:
- It is the movement of the Earth around the Sun on its elliptical path.
- The Earth takes 36514 days to complete one revolution.
- It revolves around the Sun at a speed of 30 km per second.
- The remaining quarter-day is added once in every four years in the month of February.
- The inclination of the Earth on its axis and its revolution around the Sun causes different seasons.
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संबंधित प्रश्न
What is the ‘biosphere’?
Short Answer Question:
What is meant by Terrestrial Life?
Distinguish between a planet and a star.
Name the planet closest to the Sun.
‘Although the Moon has no light of its own, yet it shines’. Why?
Give a reason for the following:
Earth has the most ideal temperature conditions.
Give reasons for the following:
Mercury completes its orbit in less time than the Earth.
What do you understand by ‘Terrestrial Planet’?
Use your brain power!
Suppose you want to give your address to a friend you have on the planet Mars. How will you write your address if you want them to understand exactly where you live?
Which of the statement(s) is/are true?
Statement I: Earth is called a watery planet.
Statement II: The rotation of the Earth causes seasons.
