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Question
Which type of sensor emits energy waves of its own to detect objects?
Which type of sensor emits energy waves of its own to detect objects?
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Solution
The correct option is C Radar Sensors
A RADAR emits radio waves, which get reflected by the objects. These reflected waves are measured by the radar, providing information about the object. In this case, the RADAR is both the sensor, as well as the source of energy.
A RADAR emits radio waves, which get reflected by the objects. These reflected waves are measured by the radar, providing information about the object. In this case, the RADAR is both the sensor, as well as the source of energy.
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