Calculate the velocity of a wave with frequency 2 x109 rad/s and phase constant of 4 x 108 units.

Calculate the velocity of a wave with frequency 2 x109 rad/s and phase

1.	Calculate the velocity of a wave with frequency 2 x10⁹ rad/s and phase constant of 4 x 10⁸ units.
A.	0.5
B.	5
C.	0.2
D.	2
Answer» C. 0.2