Multiple choice

Humidity is measured by which instrument?

  1. Hygrometer

  2. Galvanometer

  3. Hydrometer

  4. Barometer

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

Hygrometers specifically measure atmospheric humidity (water vapor content). Hydrometers measure liquid density, barometers measure air pressure, and galvanometers measure electric current - none of these measure humidity.