Which of the following is the correct relation between the group veloc – McqOptions

MCQOPTIONS

1.	Which of the following is the correct relation between the group velocity and the phase velocity?
A.	v<sub>g</sub> = v<sub>p</sub> + dv<sub>p</sub>/d
B.	v<sub>p</sub> = v<sub>g</sub> + dv<sub>p</sub>/d
C.	v<sub>p</sub> = v<sub>g</sub> dv<sub>p</sub>/d
D.	v<sub>g</sub> = v<sub>p</sub> dv<sub>p</sub>/d
Answer» E.

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