1.

Light is an electromagnetic wave. Its speed in vacuum is given by the expression [CBSE PMT 1993; MP PMT 1994; RPMT 1999; MP PET 2001; Kerala PET 2001; AIIMS 2002]

A.            \[\sqrt{{{\mu }_{o}}{{\varepsilon }_{o}}}\]                 
B.            \[\sqrt{\frac{{{\mu }_{o}}}{{{\varepsilon }_{o}}}}\]
C.            \[\sqrt{\frac{{{\varepsilon }_{o}}}{{{\mu }_{o}}}}\]
D.            \[\frac{1}{\sqrt{{{\mu }_{o}}{{\varepsilon }_{o}}}}\]
Answer» E.


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