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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Electromagnetic Waves
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Q)

If c is the speed of electromagnetic waves in vacuum, their speed in a medium of dielectric constant K and relative permeability μr is

(a)v=μμrK(b)v=cμrK(c)v=cμrK(d)v=Kμrc

 

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