Multiple choice

What is measured by Hygrometer?

  1. Relative density of liquids

  2. Pureness of milk

  3. Relative humidity

  4. Atmospheric pressure

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

A hygrometer measures relative humidity - the amount of water vapor in air relative to the maximum it can hold at that temperature. Atmospheric pressure is measured by a barometer, not a hygrometer.