49, a rectangular hollow metal waveguide is required to mhz signal in its te, mode that the guide wavelength equals the cut-off wavelength. the required to be s

49, A rectangular hollow metal waveguide is required to MHz signal in its TE, mode that the guide wavelength equals the cut-off wavelength. The required to be so designed to propagate a 9375 value of 'a is breadth or the wider dimension of the waveguide. [Take. b = A. 0.112 m B. 0.09 m C 0.05 m D. 0.016 m Outnut