Which of the following instruments may be used to measure relative humidity?
Answer Details
The relative humidity of air can be measured using a hygrometer. A hygrometer is an instrument that measures the amount of moisture or water vapor in the air.
The other instruments listed are used for different purposes:
- A hydrometer is an instrument used to measure the specific gravity of a liquid.
- A manometer is an instrument used to measure pressure.
- A hypsometer is an instrument used to measure height or altitude.
So, the instrument that may be used to measure relative humidity is a hygrometer