Q. 1 calorie is equal to __________ joules.

1 कैलोरी __________ जूल के बराबर होती है।

A
2.34
B
4.18
C
5.12
D
3.69

Explanation

By definition:

1 calorie=4.18 joules1 \text{ calorie} = 4.18 \text{ joules}

This is the amount of heat needed to raise the temperature of 1 gram of water by 1 °C.

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