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Which instrument is used to measure atmospheric pressure?
Thermometer
Barometer
Hydrometer
Ammeter
Barometer
A barometer is a scientific instrument used to measure atmospheric pressure, which plays a vital role in meteorology and weather forecasting. Changes in atmospheric pressure help predict impending weather shifts, such as storms or clear skies. The first mercury barometer was invented by the Italian physicist Evangelista Torricelli in 1643.
A barometer is a scientific instrument used to measure atmospheric pressure, which plays a vital role in meteorology and weather forecasting. Changes in atmospheric pressure help predict impending weather shifts, such as storms or clear skies. The first mercury barometer was invented by the Italian physicist Evangelista Torricelli in 1643.
Standard atmospheric pressure at sea level is defined as 1013.25 millibars or 760 mm of mercury (Hg), a fundamental meteorological benchmark established through Torricelli's experiments.
Invented by Evangelista Torricelli in 1643, using a column of mercury to measure air pressure.
Common units for measuring atmospheric pressure include millibars (mb), hectopascals (hPa), and millimeters of mercury.
A rapid drop in barometric pressure usually indicates an approaching storm or bad weather.
Thermometer measures temperature using scales like Celsius, Fahrenheit, or Kelvin.
Hydrometer measures the specific gravity or relative density of liquids.
Ammeter measures electrical current in amperes within a circuit.
B is correct тАФ A barometer is the standard instrument used to measure atmospheric pressure.
Make sure to memorize standard measurement instruments and their units, as they are recurring static GK questions in railway and civil service exams.
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