Physics - Unit & Dimension Question with Solution | TestHub

may be represented in terms of $\mathrm{L},\mathrm{T}$ and $y$ if $a=0$

may be represented in terms of $\mathrm{L},\mathrm{T}$ and $y$ if $a\ne 0$

can always be dimensionally represented in terms of L, T and $y$

can never be dimensionally represented in terms of L, T and $y$.