Matching
Match the description in the left column with the correct sensor type in the right column and place the answer in the corresponding blank on your answer sheet. Some sensor types may be used more than once.
Premises:
________ Sound waves bounce off the object and back to the sensor's receiver
Responses:
Photoelectric Beam
Active Infrared
Microwave/Radar
Dual-Technology Motion
Ultrasonic
Acoustic
Passive Infrared
Video Motion Detection
Vibration
Correct Answer:
Premises:
Responses:
________ Sound waves bounce off the object and back to the sensor's receiver
Ultrasonic
Premises:
________ Sound waves bounce off the object and back to the sensor's receiver
Responses:
Ultrasonic
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