Question

Which of the following is the correct relation between wavelength and the phase constant of a wave?

(a) Phase constant = 2π/wavelength

(b) Phase constant = 2π x wavelength

(c) Phase constant = 1/(2π x wavelength)

(d) Phase constant = wavelength/2π

The question was asked by my school teacher while I was bunking the class.

This key question is from Lossy and Lossless Dielectrics in portion EM Wave Propagation of Electromagnetic Theory

Answer 1

The correct option is (a) Phase constant = 2π/wavelength

Best explanation: The phase constant is the ratio of 2π to the wavelength λ. Thus β = 2π/λ is the correct relation.