Multiple choice general knowledge science & technology

The instrument used for measuring humidity is ?

  1. Thermometer

  2. Barometer

  3. Hydrometer

  4. Hygrometer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A hygrometer measures humidity (water vapor content in air). A thermometer measures temperature, a barometer measures atmospheric pressure, and a hydrometer measures liquid density (not to be confused with hygrometer).

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