Asked in NUMS 2023 2023Moderate

The 1st law of thermodynamics is the generalization of the law of conservation of:

Correct answer: B. Energy

  • A. Mass
  • B. Energy
  • C. Charge
  • D. Momentum

Explanation

The first law of thermodynamics is an extension of the conservation of energy, stating that energy cannot be created or destroyed in a closed system, only converted between different forms like heat and work. It's a fundamental principle in thermodynamics.

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About First Law of Thermodynamics

The first law relates heat supplied, work done and the change in internal energy through energy conservation. Problems use sign conventions and apply the law to isothermal, adiabatic, isobaric and isochoric processes. Internal energy is a state function, while heat and work depend on the path followed.

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