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प्रश्न
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
लघु उत्तरीय
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उत्तर
One calorie of heat is the heat energy required to raise the temperature of 1 g of water from 14.5°C to 15.5°C.
1 calorie = 4.186 J
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