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Question
Zeroth law of thermodynamics defines which physical quantity?
Zeroth law of thermodynamics defines which physical quantity?
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Solution
The correct option is C Temperature
The "Zeroth law" states that there exists a physical quantity, called temperature, which is the property of all thermodynamic systems.
From the definition of zeroth law, it is clear that two systems are in thermal equilibrium with each other only when there is equality of temperatures between them.
∴ Zeroth law defines temperature.
Hence, option (c) is the correct answer.
The "Zeroth law" states that there exists a physical quantity, called temperature, which is the property of all thermodynamic systems.
From the definition of zeroth law, it is clear that two systems are in thermal equilibrium with each other only when there is equality of temperatures between them.
∴ Zeroth law defines temperature.
Hence, option (c) is the correct answer.
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