What is Barometer? What is the use of barometer?
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A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. The atmosphere is the layers of air wrapped around the Earth. That air has a weight and presses against everything it touches as gravity pulls it to Earth. Barometers measure this pressure.
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Barometer is
an instrument that measures air pressure and indicates changes in weather.
Uses of barometer are:-
1)Weather Forecasting
2)Calibration and checking of aneroid barometers
3)Measurement of pressure in aircraft
4)Preparation of Barographs
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