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Assertion : In an adiabatic process, change in internal energy of a gas is equal to work done on or by the gas in the process.

Reason : Temperature of gas remains constant in an adiabatic process.

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is not correct explanation of A

(c) A is true but R is false

(d) A and R are false

1 Answer

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Best answer

Correct option (c) A is true but R is false

Explanation :

Assertion is true but reason is false. In an adiabatic process, no exchange of heat is permissible i.e., dQ = 0.

As, dQ = dU + dW = 0

.'. dU = - dW

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