The unit of Planck's constant is
Joule
Joule/s
Joule/m
Joule-s
In $S = a + bt + c{t^2}$. $S$ is measured in metres and $t$ in seconds. The unit of $c$ is
Unit of energy in $SI$ system is
Which of the following system of units is not based on units of mass, length and time alone
Which is not a unit of electric field
One atomic mass units is equivalent to .............. $MeV$ energy.