One side of a copper sheet is highly polished and the other side is painting matt black. A student puts his hands at equal distances from the sheet. Why are his hands not heated by convection?
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Answer:
his hands are not heated because the other side of the copper sheet is not even polished.
Explanation:
its because the other side is not polished as if it was polished then only the student's hand will heat by convection and as its not his hand will not be heated.
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1
Answer: the heat/the warm air rises.
Explanation:
when gas particles near the copper sheet gains heat energy it rises upwards so it does not reach the hand of the student.
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