JEE Physics · Easy

Kinetic Theory and Thermodynamics: First Law MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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First LawEasyQuestion 31021

Question

First law of thermodynamics is a statement of:
  1. A
    Entropy conservation
  2. B
    Energy conservation
    Correct
  3. C
    Temperature conservation
  4. D
    Momentum conservation

Correct answer

Energy conservation

Explanation

First law: ΔQ = ΔU + W. Heat supplied = increase in internal energy + work done by system.