MCQEasyJEE Main 2023 · 29 January, Shift 1First Law & Internal Energy

Physics Question from JEE Main 2023 · 29 January, Shift 1

Assertion A: If dQdQ and dWdW represent the heat supplied to the system and the work done on the system respectively, then according to the first law of thermodynamics dQ=dUdWdQ = dU - dW. Reason R: First law of thermodynamics is based on the law of conservation of energy.

In the light of the above statements, choose the correct answer from the options given below:

  • A

    A is correct but R is not correct

  • B

    A is not correct but R is correct

  • C

    Both A and R are correct, and R is the correct explanation of A

  • D

    Both A and R are correct, but R is not the correct explanation of A

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