If the units of force, energy and velocity are respectively $10\, N, 100\, J, 5\, m/s$, then the units of length, mass and time will be
$10\, m, 5 \,kg, 1\, sec$
$10\, m, 4 \,kg, 2\, sec$
$10\, m, 4 \,kg, 0.5\, sec$
$20\, m, 5 \,kg, 2\, sec$
$Ampere - hour$ is a unit of
A unitless quantity?
Obtain the relation between the units of some physical quantity in two different systems of units. Obtain the relation between the $MKS$ and $CGS$ unit of work.
The conversion of $1 \;MW$ power in a new system having basic unit of mass, length and time as $10 \;kg , 1 \;dm$ and $1 \;minute$ respectively is:
The unit of absolute permittivity is