

MCQOPTIONS
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1. |
Phase velocity vp, and group velocity vg in a waveguide are related to the velocity of light c as: |
A. | vp vg = c2 |
B. | vp + vg = c |
C. | \(\frac{{{v_p}}}{{{v_g}}} =\) Constant |
D. | vp+ vg = Constant |
Answer» B. vp + vg = c | |