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The speed of the electromagnetic wave in a medium of dielectric constant 2.25 and relative permeability 4 is?

The speed of the electromagnetic wave in a medium of dielectric constant 2.25 and relative permeability 4 is?

Grade:12

1 Answers

Vikas TU
14149 Points
3 years ago

Ans. We realize that speed of electromagnetic wave =1/sqrt(uourEoEr) 
=1/sqrt(4pi*10-7*4*8.85*10-12*2.25) 
=0.9*108m/s 

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