39. Which of the following device is used to measure humidity? A.Hydrometer B.Hygrometer C.Psycho Meter D.Anemometer

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Abhishek Mishra

2 years ago

Option B Solution: A hygrometer is an instrument used to measure relative humidity. Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer.

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