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NEET2018PhysicsThermodynamicsActual

Assertion : In adiabatic process change in internal energy is equal to work done on gas. Reason: In adiabatic process no heat exchange with surrounding.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

A. If both assertion and reason are true and reason is the correct explanation of assertion.

Step-by-step solution

In adiabatic process, Q=0 So from first law of thermodynamics, W=- U

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