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Question
The SI unit of heat energy is ______.
Options
joule
calorie
kilo calorie
Cal/g °C
none of these
Kcal/kg
Solution
The SI unit of heat energy is a joule.
Explanation:
The unit of heat in the SI system is the joule (J) and the calorie (cal) in the CGS measurement system. The heat required to raise the temperature of one kilogram of water by 1 °C from 14.5 °C to 15.5 °C is called one kilocalorie of heat.
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