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Assertion. Heat energy is completely tra...

Assertion. Heat energy is completely transformed into work during the isothermal expansion of an ideal gas.
Reason . During an isothermal process, the change in internal energy of a gas due to decrease in pressure is nullified by the change due to increase in volume.

A

If both A and R are true,andR is the true explanation of A.

B

If both A and R are true,but R is not the true explanation of A.

C

If A is true, but R is false

D

If both A and R are false.

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The correct Answer is:
A
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Knowledge Check

  • During an isothermal expansion of an ideal gas

    A
    Its internal energy decreases
    B
    Its internal energy does not change
    C
    The work done by the gas is equal to the quantity of heat absorbed by i
    D
    Both (b) and (c) are correct

  • During an isothermal expansion of an ideal gas :

    A
    its internal energy decreases
    B
    its internal energy does not change
    C
    the work done by the gas is equal to the quantity of heat absorbed by it
    D
    both (b) and ( c ) are correct

  • During an isothermal expansion of an ideal gas :

    A
    its internal energy decreases
    B
    its internal energy does not change
    C
    the work done by the gas is equal to the quantity of heat absorbed by it
    D
    both (b) and ( c ) are correct
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