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प्रश्न
What is heat? What is the S. I. unit of heat?
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उत्तर
Heat is a form of energy, which when absorbed by a body makes it hot and when extracted from a makes it cold. It is also defined as the total kinetic energy possessed by all the molecules of a body. The S. I. unit of heat is joule/kg kelvin.
संबंधित प्रश्न
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(a) – 18℃
(b) 33℃
(c) 0℃
(d) 15℃
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