Define the term calorie. How is it related to joule?
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One calorie is the quantity of heat energy required to raise the temperature of 1 g of water from 14.5°C to 15.5°C.
1 calorie (or 1 cal) = 4.186 J or 4.2 J (nearly)
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A liquid X has specific heat capacity higher than the liquid Y. Which liquid is useful as (i) coolant in car radiators and, (ii) heat reservoir to keep juice bottles without freezing?
Define the term heat.
Define one kilo-calorie of heat.
Define temperature and name it's S.I. unit.