$A$ jug contains $2 \ L$ of milk. Calculate the volume of the milk in $m^{3}$.

State whether the following statements are true or false:
$(i)$ The Law of Multiple Proportions was given by the scientist Dalton.
$(ii)$ $1 \ L = 1 \ dm^3$
$(iii)$ $10 \ cm = 1 \ dm$

The number of significant figures in $2.0400$ is

The order of energy equivalent to $1 \ erg$,$1 \ joule$,and $1 \ calorie$ is:

Select the $INCORRECT$ statement/s from the following:
$(a)$ $22$ books have infinite significant figures
$(b)$ In the answer of calculation $2.5 \times 1.25$,the result has four significant figures.
$(c)$ Zeros preceding the first non-zero digit are significant.
$(d)$ In the answer of calculation $12.11 + 18.0 + 1.012$,the result has three significant figures.

In the equation of state of an ideal gas $PV = nRT$,the value of the universal gas constant $R$ depends only on: