The phase velocity of a plane wave given by Ex = E0 cos(ωt - βz) with a frequency of 5.0 GHz and a wavelength in the material medium of 3.0 cm is:

The phase velocity of a plane wave given by Ex =...

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Examveda

A. 3.0 × 10⁸ m/sec

B. 1.5 × 10⁸ m/sec

C. 5 × 10⁸ m/sec

D. None

Answer: Option B

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