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Assertion: Avogadro number is the number of atoms in one gram mole.
Reason: Avogadro number is a dimensionless constant.
(a)Assertion is true, reason is true; reason is a correct explanation for assertion.
(b)Assertion is true, reason is true; reason is not a correct explanation for assertion.
(c)Assertion is true, reason is false.
(d)Assertion is false, reason is false.

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Important Questions on Measurements
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Assertion: The graph between and is a straight line when is constant.
Reason: The straight-line graph means that is proportional to or is equal to constant multiplied by .

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Correct unit of surface tension is:

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Which of the following is not the unit of energy?

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Units of in Van der Waal's equation of state is

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Unit of constant in Van der Waal's equation is

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The unit of the constant in Wien's displacement law is:

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unit of principle specific heat is

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is unit of:
