JEE Main 202313 Apr, Evening shiftPhysicsMediumCommunication Systems79× since 2003To radiate EM signal of wavelength λ\lambdaλ with high efficiency, the antennas should have a minimum size equal to:AOption A. λ2\frac{\lambda}{2}2λBOption B. λ\lambdaλCOption C. λ4\frac{\lambda}{4}4λDOption D. 2λ2 \lambda2λCheckSkip · show solution
