Qstnid -I-6-when We Rub Our Hands They Become Warm. Have We Supplied Heat To The Hands? - 26: Laws Of Thermodynamics - Cbse-xi-physics

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CBSE-XI-Physics

26: Laws of Thermodynamics

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Qstn# i-6 Prvs-Qstn Next-Qstn

#6
When we rub our hands they become warm. Have we supplied heat to the hands?
Ans : When we rub our hands, they become warm. In this process, heat is supplied to the hands due to the friction between the hands.
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