Multiple choice

Which one of the following units represents the largest amount of energy?

  1. Calorie

  2. Joule

  3. Erg

  4. Electron volt
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A Correct answer
Explanation

1 Calorie = 4.184 Joules, which is much larger than 1 Joule, 1 Erg (10^-7 J), or 1 electron volt (1.6 × 10^-19 J). The Calorie is a unit of thermal energy commonly used in nutrition and represents the largest amount among these options.

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