Q. 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 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 dry-bulb thermometer will be greater than that recorded by the other
D) None of the above
Explanation
(c) Due to evaporation cooling is caused which lowers the temperature of bulb wrapped in wet hanky
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.