Electromagnetic Field Theory - Engineering

Q1:

The phase velocity of an EM wave propagating in a hollow metallic rectangular waveguide in the TE10 mode is

A equal to its group velocity

B less than the velocity of light in free space

C equal to the velocity of light in free spac

D greater than the velocity of light in free space

ANS:D - greater than the velocity of light in free space

No answer description is available.