Choose the most appropriate answer:In which atmospheric layer are the communication satellites located?
The communication satellites are located in Ionosphere.
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Bubbles of air rise up through liquids due to
In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called _________.
In nuclear reactor, cadmium rods are used as which of the following?
Air moves from the region where the air _____________________________.
In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)
The weight of a boy on the surface of the moon is 300 N. The weight of the same boy on the surface of the earth will be
The unit of measurement of noise is
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