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Assertion:Absolute values of intenal en...

Assertion:Absolute values of intenal energy of substances cannot be determined.
Reason:It is impossible to determine exact values of constituent energies of the substances.

A

If both ther 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.

Text Solution

Verified by Experts

The correct Answer is:
A
it is that absolute values of internal energy of substances cannot be determined. It is also ture that to determine exact values opf constituent energies of the substance is impossible.
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Knowledge Check

  • The internal energy of a substance

    A
    Increases with increase in temperature
    B
    Decreases with increase in temperature
    C
    Can be calculated by the relation `E=mc^(2)`
    D
    Remains unaffected with change in temperature

  • The internal energy of a substance:

    A
    Increases with increase in temperature
    B
    Decreases with increase in temperature
    C
    Remains constant
    D
    Calculated by `E=mc^(2)`

  • The change in the internal energy of a substance

    A
    Increase with increase in temperature
    B
    Decrease with increase in temperature
    C
    Can be calculated the relation `E=mc^2`
    D
    Remains unaffected with change in temperature