Question
a.
critical wavelength for TE₁₀ mode is the same as that for TE₀₂ mode
b.
critical wavelength for TE₁₀ mode is one half of that for TE₁₀ mode
c.
critical wavelength for TE₁₀ mode is the same as that for TM₁₀ mode
d.
critical wavelength for TE₁₀ mode is double that for TE₀₁ mode
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