NEET Physics Mathematical Tools, Units & Dimensions Question Bank Assertion and Reasons

  • question_answer
    Assertion:         Avogadro number is the number of atoms in one gram mole. Reason:           Avogadro number is a dimensionless constant.

    A)   If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B)    If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C)     If assertion is true but reason is false.

    D)      If the assertion and reason both are false.

    E)        If assertion is false but reason is true.

    Correct Answer: C

    Solution :

                    Avogadro number (N) represents the number of atoms in 1 gram mole of an element, i.e. it has the dimensions of mole-1.


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