Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Define the term energy and state its SI unit. Explain 1 calorie in terms of Joule.

Answer 1

The energy of a body is its capacity to do work. Its S.I unit is Joule (J).
One calorie is the amount of heat energy required to increase the temperature of one gram of water by 1 degree C.
calorie = 4.186 J