The cut off wavelength and the guided wavelength are given by 0.5 and 2 units respectively. Find the wavelength of the wave.(a) 0.48(b) 0.32(c) 0.45(d) 0.54I got this question in an interview.This key question is from Phase and Group Velocity in chapter Waveguides of Electromagnetic Theory

The cut off wavelength and the guided wavelength are given by 0.5 and

1.	The cut off wavelength and the guided wavelength are given by 0.5 and 2 units respectively. Find the wavelength of the wave.(a) 0.48(b) 0.32(c) 0.45(d) 0.54I got this question in an interview.This key question is from Phase and Group Velocity in chapter Waveguides of Electromagnetic Theory
Answer» The correct option is (a) 0.48 Best EXPLANATION: The cut off wavelength and the GUIDED wavelength are related as (1/λ)^2 = (1/λc)^2 + (1/λg)^2. On SUBSTITUTING for λc = 0.5 and λg = 2, we get λ = 0.48 units.

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The cut off wavelength and the guided wavelength are given by 0.5 and 2 units respectively. Find the wavelength of the wave.(a) 0.48(b) 0.32(c) 0.45(d) 0.54I got this question in an interview.This key question is from Phase and Group Velocity in chapter Waveguides of Electromagnetic Theory

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