Question : The instrument used to measure pressure :
Option 1: anemometer
Option 2: aneroid barometer
Option 3: hygrometer
Option 4: thermometer
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Correct Answer: aneroid barometer
Solution : The correct option is an aneroid barometer.
Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. An instrument called an aneroid barometer is used to measure air pressure without the use of liquid. Since aneroid barometers had no liquid that could leak, they were simpler to use, less expensive to purchase, and easier to transport than mercury barometers.
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