Hertz is the unit for
Frequency
Force
Electric charge
Magnetic flux
The equation $\left( {P + \frac{a}{{{V^2}}}} \right)$ $(V - b)$ constant. The units of $a$ are
In a relation $F = a \,sin\, k_1x + b \,sin\, k_2t$ where $F , x$ and $T$ denote the force,distance and time respectively. Units of $k _{1}$ and $k _{2}$ are respectively
Which one of the following pairs of quantities and their units is a proper match
Write a note on $SI$ (System International)
Which of the following is not a unit of time