Question

Barometer is used to measure

Answer 1

Atomic pressure:

1. The most common application of a barometer is to monitor changes in atmospheric pressure.
2. This is how weather forecasts are made.
3. Understanding the nature of storms is further aided by the use of a barometer.
4. Similar to a set of scales, the barometer functions by weighing the mercury within the glass tube against the atmospheric pressure.
5. Mercury barometers and aneroid barometers are the two most common forms of barometers.
6. A liquid barometer is a mercury barometer, while a non-liquid barometer is an aneroid barometer.
7. Hence, Barometer is used to measure air or atmospheric pressure.

Therefore, the barometer is used to measure air pressure.