Multiple choice

What instrument is used to determine relative humidity and dew point?

  1. psychrometer

  2. barometer

  3. anemometer

  4. aneroid barometer
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A Correct answer
Explanation

A psychrometer is a type of hygrometer that consists of two thermometers: a dry-bulb and a wet-bulb. By measuring the temperature difference between them as water evaporates from the wet bulb, meteorologists can determine relative humidity and dew point. Other instruments like barometers measure pressure, and anemometers measure wind speed.

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