Question

why does the reading in a thermometer decrease when the bulb of the thermometer is covered with wet clothes?​

Answer 1

Answer:

an instrument for measuring the humidity and temperature of the air. The psychrometer consists of a dry-bulb thermometer and a wet-bulb thermometer. The dry-bulb thermometer shows the temperature of the air, and the wet-bulb thermometer, whose bulb is wrapped with wet cambric, shows a temperature that is dependent on the amount of evaporation from the surface of its bulb. Because heat is used in evaporation, the drier the air whose humidity is being measured, the lower the reading of the wet-bulb thermometer.

Explanation:

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Answer 2

Answer:

In the wet bulb the thermometer is covered by the wet cloth. When the air comes in contact with the wet cloth it absorbs moisture and gives up some heat so the temperature is reduced.so, if the moisture is less it will showlower temperature