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प्रश्न
Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.
उत्तर
The unit adopted for measuring the distances in the universe is the light year. The reason for the choice of this unit is that a kilometer is too short a unit to measure the distances between one heavenly body and another in space.
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संबंधित प्रश्न
Short Answer Question:
Name the members of the Solar System.
Fill in the blanks:
The earth rotates from ____ to ____.
Provide reliable evidence to prove that the earth is spherical in shape.
How much time does a ray of moonlight take to reach the Earth?
How many satellites are there in Solar System?
Distinguish between the following pair.
Planet and Satellite.
Name the following:
Two planets which are nearer to the sun than the Earth.
What is meant by Summer Solstice? When do we have Summer Solstice in the Northern Hemisphere
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Match the following.
| 1 | Asia | Vatican city |
| 2 | Africa | Amazon rainforest |
| 3 | Europe | Sahara desert |
| 4 | South America | Kangaroo |
| 5 | Australia | Biggest continent |
