The wavelength of a wave in a waveguide

1.	The wavelength of a wave in a waveguide
A.	Is greater than in free space
B.	Depends only on the waveguide dimensions and the free-space wavelength
C.	Is inversely proportional to the phase velocity
D.	Is directly proportional to the group velocity
Answer» B. Depends only on the waveguide dimensions and the free-space wavelength

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The wavelength of a wave in a waveguide

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