Everyday Science
NULL
Medium
Question
Common TV remote controls usually use which waves?
A
Radio waves
B
Lasers
C
Infrared waves
✓ Official correct answer
D
Ultrasonic waves
Community credibility
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A
Radio waves
No member explanations yet for this option.
B
Lasers
No member explanations yet for this option.
C
Infrared waves
No member explanations yet for this option.
D
Ultrasonic waves
No member explanations yet for this option.
Explanation
Most remotes transmit infrared signals.
Hence the keyed answer is Infrared waves.
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