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Assertion: The heat absorbed during the ...

Assertion: The heat absorbed during the isothermal expansion of an ideal gas against vacuum is zero.
Reason: The volume occupied by the molecules of an ideal gas is zero.

A

If both (`A`) and (`R`) are correct and (`R`) is the correct explanation of (`A`).

B

If both (`A`) and (`R`) are correct, but (`R`) is not the correct explanation of (`A`).

C

If (`A`) is correct, but (`R`) is incorrect.

D

If (`A`) is incorrect, but (`R`) is correct.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
`(delU//delV)_(T)=0` (for ideal gas), because heat depends upon temperature.
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Knowledge Check

  • Assertion: The heat absorbed during the isothermal expansion of an ideal gas againts vacuum is zero. Reason: The volume occupied by the molecules of an ideal gas is zero.

    A
    If both the assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both the assertion and reason are true but reason is not the correct explantion of the assertion.
    C
    If the assertion is true but reason is false.
    D
    If assertion is false but reason is true.

  • Assertion (A) : The heat absorbed during the isothermal expansion of an ideal gas against vacuum is zero . Reason (R) : The volume occupied by the molecules of an ideal gas is zero .

    A
    Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
    B
    Both Assertion and Reason are true but Reason is not the correct explanation of Assertion .
    C
    Assertion is true but Reason is wrong .
    D
    Both Assertion and Reason are wrong .

  • In the isothermal expansion of an ideal gas:

    A
    there is no change in the temperature of the gas
    B
    there is no change in the internal energy of the gas
    C
    the work done by the gas is equal to the heat supplied to the gas
    D
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