Question : Which among the following instruments is used for measuring the humidity of the air or gas?
Option 1: Bolometer
Option 2: Hygrometer
Option 3: Hydrometer
Option 4: Altimeter
Correct Answer: Hygrometer
Solution : The correct option is the Hygrometer.
The Hygrometer is an instrument used to measure the humidity or amount of water vapour in the air. The amount of moisture present in the air is known as humidity. The humidity in the atmosphere relies on multiple factors such as air temperature, and wind. Usually, warm air is much more humid than cold air.
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