Science - TV Remote Control Waves
CMAT 2019 · General Knowledge · Easy · Physics
Which one of the following waves/rays are used in common T.V. Remote control ?
- A.
Ultrasonic
- B.
Infrared
- C.
Laser
- D.
Radio waves
Answer
B
Explanation
Infrared (IR) radiation is commonly used in television remote controls to transmit signals.
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