Physics - Unit & Dimension Question with Solution | TestHub

Young's modulus $=\frac{F/A}{\Delta l/l}$, so MKS units are N/(m) ${}^2$.
Magnetic induction is measured in Tesla.
Power of a lens (in dioptre)
$=\frac{1}{f(\text{ in metre })}$
, so its unit is $(\mathrm{m}{)}^{-1}$.