Multiple choice

The instrument used for measuring air pressure is called

  1. Anemometer

  2. Barometer

  3. Hygrometer

  4. Thermometer

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A barometer is the meteorological instrument used to measure atmospheric pressure. It works by balancing the weight of mercury in a glass tube against the atmospheric pressure, or through aneroid mechanisms using a metal cell that expands and contracts with pressure changes.