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Pak Study MCQs
Q
Which of the following instrument is used for measuring the humidity in air?
AA. Hydrometer
BB. Hygrometer
CC. Barometer
DD. None of these
Correct Answer:
B. B. Hygrometer
Explanation:
A hygrometer is an instrument used to measure the amount of water vapor in air, in soil, or in confined spaces. Humidity measurement instruments usually rely on measurements of some other quantities such as temperature, pressure, mass, a mechanical or electrical change in a substance as moisture is absorbed.