Class 11 Physics Practice Test: Thermodynamics - Heat, Internal Energy and Work — Flashcards | Class 11 Physics | FatSkills

Class 11 Physics Practice Test: Thermodynamics - Heat, Internal Energy and Work — Flashcards

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Heat is the energy in transit whenever temperature differences exist. The internal energy is equal to the sum of internal kinetic energy due to molecular motion and internal potential energy due to molecular attractive forces. A hot body has more internal energy than an identical cold body.

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Internal energy of a system is defined as?
The sum of kinetic and potential energies of all molecules of the system
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