Physics

1 Kilocalorie $$=$$ ..................... joules.


ANSWER

$$4200$$


SOLUTION
Calorie is defined as the amount of heat energy needed to raise the temperature of one gram of pure water by one degree Celsius. $$1$$ Kilocalorie are $$1000$$ calories, the amount of caloric energy needed to raise the mass of$$1$$ kg of pure water by $$1^0C$$. $$1$$ kilocalorie is $$4200$$ Joules.
Option C. 
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