Assertion :Internal energy change in cyclic process is zero. Reason: Internal energy is a state function.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$Option A is correct.$

$In a cyclic process the system returns to its initial state and so the internal energy is not changed.$ $A free expansion is an adiabatic change that does no work.$

$State funtion is a thermodynamic quantity which has a unique value in each gien state of the system.$

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