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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
Short Answer Question:
Distinguish the earth from the other planets in one important aspect.
How much time does a ray of sunlight take to reach the Earth?
Give a reason for the following:
Earth and its Moon are called a double planet.
Arrange the nine planets of the solar system in order of their sizes.
Why is the following planet not inhabitable?
Neptune
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?
The line which divides day and night on the Earth’s surface is ______.
The movement of the Earth on its axis is called.
The velocity of the Earth’s rotation is zero at poles.
Match the following.
| 1 | Asia | Vatican city |
| 2 | Africa | Amazon rainforest |
| 3 | Europe | Sahara desert |
| 4 | South America | Kangaroo |
| 5 | Australia | Biggest continent |
