Q. What is the temperature range used in the definition of a calorie?
Answer: 14.5° C to 15.5° C
Notes: One calorie is defined to be the amount of heat required to raise the temperature of 1g of water from 14.5 °C to 15.5 °C.

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Question Number: 18 in Physics GK 18 - Thermodynamics in above course in App.