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Weather radars used in aircrafts emit directional pulses of ___________ radiation.

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Weather radars used in aircrafts emit directional pulses of ___________ radiation.

(a) Ultrasonic

(b) Microwave

(c) Supersonic

(d) Nuclear

The question was posed to me during an interview.

Question is from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

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Correct answer is (b) Microwave

To explain I would say: The weather radars used in aircrafts emit directional pulses of microwave radiation. The aircraft uses an onboard cavity magnetron in order to send these waves to the intended target.

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