EC > GATE 2023 > Wave Propagation
Consider a narrow band signal, propagating in a lossless dielectric medium (εr = 4, μr = 1), with phase velocity vp and group velocity vg. Which of the following statements is true? (c is the velocity of light in vacuum.)
A
vp > c, vg > c
B
vp < c, vg > c
C
vp > c, vg < c
D
vp < c, vg < c

Correct : d

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Related Topics

narrow band signal lossless dielectric medium phase velocity group velocity GATE EC 2023 electromagnetic waves velocity of light dielectric properties wave propagation EC

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