Question
Dimension of $\frac{1}{\mu_0 \varepsilon_0}$ should be equal to

Answer

$\frac{1}{\mu_0 \epsilon_0}=c^2 \Rightarrow\left[\frac{1}{\mu_0 \in_0}\right]=\left[ c ^2\right]=\left[ L ^2 T ^{-2}\right]$

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