Advertisements
Advertisements
प्रश्न
What are the effects of rotation and revolution?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
How can you prove that the earth is a sphere by looking at the horizon?
Short Answer Question:
What are the Jovian planets? Name them.
Fill in the blank:
Eratosthenes worked out the circumference of the earth to be _______ km.
Mention two important features of Earth that make it a planet suitable for life.
Arrange the nine planets of the solar system in order of their sizes.
Distinguish between the following pair.
Periodical and Non-periodical comets
Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.
Give reasons for the following:
Venus is considered as the Earth’s twin.
What is meant by Summer Solstice?
The velocity of the Earth’s rotation is zero at poles.
