What is the speed of an EM wave in a medium with ε = 4ε₀ and μ = μ₀? - ELECTROMAGNETIC WAVES Quiz | GKFix.in

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Question

What is the speed of an EM wave in a medium with ε = 4ε₀ and μ = μ₀?

A. c
B. c/2
C. 2c
D. c/4