Which one of the following statements best defines the concept of heat ?
The transformation of energy from one form to another
The conversion of energy into mass and vice-versa due to temperature difference
The transfer of energy due to temperature difference
The change in volume of a substance with temperature
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Answer is Wrong!
This question was previously asked in
UPSC NDA-2 – 2024
Heat is energy in transit, whereas temperature is a measure of the average kinetic energy of the particles within a substance. When there is a temperature difference between two objects or systems in thermal contact, energy is transferred between them, and this transferred energy is called heat.