Question

Relative humidity is measured by:

  1. Hydrometer
  2. Hygrometer
  3. Lactometer
  4. Potentiometer

Answer:

Option B: Hygrometer

Detailed Solution:

The correct answer is “Hygrometer”.

Relative humidity (RH) is measured using a hygrometer, which is an instrument that measures the amount of water vapor in the air, soil, or confined spaces.