Dimensional formula for pressure head is ............
$[ M ^0 L ^0 T ^0]$
$[ML^{-1}T ^{-2}]$
$[ M ^0 L ^1 T ^{-2}]$
$[ M ^0 L ^1 T ^0]$
if Energy is given by $U = \frac{{A\sqrt x }}{{{x^2} + B}},\,$, then dimensions of $AB$ is
In the equation $\left[X+\frac{a}{Y^2}\right][Y-b]= R T, X$ is pressure, $Y$ is volume, $R$ is universal gas constant and $T$ is temperature. The physical quantity equivalent to the ratio $\frac{a}{b}$ is
An athletic coach told his team that muscle times speed equals power. What dimensions does he view for muscle
Position of a body with acceleration '$a$' is given by $x = K{a^m}{t^n},$ here $t$ is time. Find dimension of $m$ and $n$.
Dimensions of magnetic field intensity is