Question

Two thermometers are used to record the temperature of a room. If the bulb of one is wrapped in wet hanky

• A. The temperature recorded by both thermometer will be same
• B. The temperature recorded by wet-bulb thermometer will be greater than that recorded by the other
• C. The temperature recorded by the dry bulb thermome ter will be greater than that recorded by the other
• D. None of the above

Answer 1

Answer: (C)

Due to evaporation cooling is caused which lowers the temperature of bulb wrapped in wet hanky.