Which of the following is a dimension of volt
$J/C$
$N/C$
$wb/m^2$
$A/C$
$Dyne/cm^2$ is not a unit of
Newton-second is the unit of
Which is not a physical quantity
Given that: $\lambda = a\,\cos \,\left( {\frac{t}{p} - qx} \right)$ , where $t$ represents time in second and $x$ represents distance in metre. Which of the following statements is true?
Write a note on $SI$ (System International)