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Corner angle of a square corner reflector antenna is _____

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Corner angle of a square corner reflector antenna is _____

(a) 90°

(b) 180°

(c) 60°

(d) 45°

This question was posed to me in final exam.

This key question is from Corner Reflector topic in division Reflector Antenna of Antennas

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Correct choice is (a) 90°

For explanation: For a square reflector angle N=2 and corner angle is given by \(α=\frac{π}{N}=\frac{π}{2}=90°.\) A corner reflector consists of two plane reflectors joined at a corner to allow radiation in forward direction only. This is one of the most practically used antennas.

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