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प्रश्न
Fill in the blank.
In the ............ system, length is measured in centimetres.
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उत्तर
In the CGS system, length is measured in centimetres.
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संबंधित प्रश्न
The farthest objects in our Universe discovered by modern astronomers are so distant that light emitted by them takes billions of years to reach the Earth. These objects (known as quasars) have many puzzling features, which have not yet been satisfactorily explained. What is the distance in km of a quasar from which light takes 3.0 billion years to reach us?
Exercise
You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!
- How many of you can sit in one square meter?
You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!
- How many of you can stand in it?
Give some examples of larger length measures.
What is the unit of measurements of very small lengths?
Length is ______.
What unit will you use to measure the length of our classroom?
If a planet subtends an angle α at distance D, what formula is used to find the planet's diameter?
What is an Astronomical Unit (AU)?
