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A geostationary orbit is a circular orbit 35,786 kilometres above the Earth's equator and following the direction of the Earth's rotation. Communications satellites and weather satellites are often given geostationary orbits, so that the satellite antennas that communicate with them do not have to move to track them, but can be pointed permanently at the position in the sky where they stay.
An ant can see objects all around it due to the presence of which type of eyes?
Which of the following statement is correct?
I. The incident ray, the normal at the point of incidence and the reflected ray all lie in the sa...
Compared to fresh Water, the freezing point of sea water is -
What is the unit of electric current?
What is the SI unit of pressure?
The point where the total mass of a body is considered to be concentrated is known as what?
The term ‘Isoneph' indicates the lines of equal –
An electric bulb is rated 100 W and 220 V. What is the current through the bulb?
When water is heated from 0°C to 10°C. Its volume
Focal length of a concave lens with power –2 D: