Two thermometers, P and Q, give the same reading at room temperature.
The bulb of thermometer Q is wrapped in gauze and dipped in a beaker of water at room temperature.
Air at room temperature is blown over the two thermometer bulbs.
Which statement correctly describes and explains what happens?
1 )
P reads higher than Q because bulb P absorbs energy from the air.
P reads higher than Q because water evaporates from the gauze and cools bulb Q.
3 )
P reads lower than Q because the wet gauze insulates bulb Q.
4 )
P reads lower than Q because water evaporates from the gauze and warms bulb Q.
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