# Dimensions of 1/u0E0 where symbols have their usual meaning, are

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Dimensions of $${1 \over {{\mu _0}{\varepsilon _0}}}$$ where symbols have their usual meaning, are

1. [ L-1T ]
2. [ L-2T2 ]
3. [ L2T-2 ]
4. [ LT-1 ]

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verified

Correct option is C ) [ L2T-2 ]

Explaination::

The velocity of light in vacuum is

c = $${1 \over {\sqrt {{\mu _0}{\varepsilon _0}} }}$$

$$\therefore[{1 \over {{\mu _0}{\varepsilon _0}}}]$$ = [c2] = [L2T-2]

$$\therefore$$ Dimension of $${1 \over {{\mu _0}{\varepsilon _0}}}$$= [L2T-2]