The unit of specific resistance is
$Ohm/c{m^2}$
$Ohm/cm$
$Ohm - cm$
${(Ohm - cm)^{ - 1}}$
The surface tension of a liquid is $70\,dyne/cm$. In $MKS$ system its value is
How many wavelength of $K{r^{86}}$ are there in one metre
A suitable unit for gravitational constant is
Which of the following is not the unit of time