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A not so obvious ques...?
we all know that when hot water is kept in a room after sometime it attains the room temperature... but if we check the temperature by our hand we see that the water is colder than what we feel the surrounding is... and in case of solids it is the coldest... but still we know that any body that is kept in open attains the temperature of the surroundings... can anyone explain this....
2 Answers
- David DLv 71 decade agoFavorite Answer
Yes..
The answer is simple. You're using a faulty temperature measuring system - YOU...
When you touch a piece of metal with your hand what you are really doing is touching a room temperature object with a heated temperature measuring system - your hand...
Your hand has its heat drained away by the room temperature metal and you think the metal is cold...
With the water a similar effect happens and additionally you have evaporation cooling happening when you take your hand out...
- science teacherLv 71 decade ago
Yes any material that is not producing heat[like your body or a running machine] will attain room temperature.
Metal is a good conductor. I you touch it it feels cool because heat moves room hot to cold and travels away from your hand. Cloth is not a good conductor so it does not feel as cold. A thermometer will tell us that they are the same temp.
