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The dimensions of   \frac{1}{\mu_0\varepsilon_0}, where the symbols have their usual meaning are:

Option: 1

L^{-1}T


Option: 2

L^2T^2


Option: 3

L^2T^{-2}


Option: 4

LT^{-1}


Answers (1)

best_answer

It is well known that the formula for the speed of EM waves in free space is 

speed=c=\frac{1}{\sqrt{\mu_0 \varepsilon_0}}

Or, [c^2]=[\frac{1}{\mu_0\varepsilon_0}]=[ LT^{-1}]^2

Or, [\frac{1}{\mu_0\varepsilon_0}]=[L^2T^{-2}]

Posted by

himanshu.meshram

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