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Calorie is the unit of...

Calorie is the unit of

A

heat

B

work

C

temperature

D

food

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Definition of Calorie**: - A calorie is a unit of measurement that quantifies energy. It was originally defined in the context of heat energy. 2. **Historical Context**: - The calorie was first defined in the 19th century for measuring the amount of heat required to raise the temperature of 1 gram of water by 1 degree Celsius. 3. **Application of Calorie**: - In modern usage, calories are commonly used to express the amount of energy provided by food. For example, nutritional information on food packaging often lists the energy content in calories. 4. **Conclusion**: - Based on the definition and applications of calorie, we can conclude that the unit of calorie is primarily associated with measuring heat energy. 5. **Final Answer**: - Therefore, the answer to the question is: Calorie is the unit of **heat**. ---
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