Respuesta :
Answer: Option (c) is the correct answer.
Explanation:
The internal energy of a substance that occurs due to the kinetic energy of molecules or atoms inside the substance.
Therefore, we can conclude that thermal energy is the kinetic energy of particles in a system.
As it is known that energy can neither be created nor it can be destroyed. It only transforms from one form to another.
When the molecules or atoms strike at the walls of the system then the energy of molecules or atoms get transferred to the walls of the system. As a result, the system will become hotter.
Therefore, more is the kinetic energy of the molecules or atoms, more hotter will be the system.
Thermal energy is the measure of the temperature in a system.
Thermal energy is the amount of energy present in the system that is accountable for the temperature of the system. It is measured and produced in the form of heat.
How the thermal energy can be defined?
The thermal energy is not the overall volume of the system nor it is the number of molecules in a system. It does not define the volume or the number of atoms or molecules present in the system.
It is defined as the energy present in the system that affects the temperature of the system and is generated when the atoms or the molecules strike each other or the walls of the system.
Therefore, option D is correct.
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