What is dimension of a physical quantity ?
Dimension : Power or exponent to which base quantity is raised to is called dimension of that quantity.
$\text { Example : Volume } =l \times b \times h$
$=m \times m \times m$
$=m^{3}$
$=\beta^{3}$
$\text { Example : Volume } =l \times b \times h$
$=m \times m \times m$
$=m^{3}$
$=\beta^{3}$
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