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Get Answers to all your Questions
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Which one of the following is a state property or function?
Heat
Work
Loss of energy due to friction
Potential energy.
Answers (1)
Path and state function
It is the path along which a change of state occurs. It is a path of change of a system from one equilibrium state or another which is usually accompanied by a change in energy or mass.
A physical quantity is said to be a state function if its value depends only upon the state of the system and does not depend upon the path by which this state has been attained.
For example, a person standing on the roof of a five-storeyed building has fixed potential energy, irrespective of the fact whether he reached there by stairs or lift. Thus, the potential energy of the person is a state function.
Hence, option number (4) is correct.
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