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प्रश्न
Metre is the unit of ______.
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उत्तर
Metre is the unit of Length
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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
While measuring the length of an object using a ruler, the position of your eye should be
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