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Which type of electromagnetic wave is used in remote controls to change chanels? A) Gamma B) Radio C) Microwave D) Infrared
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Which type of electromagnetic wave is used in remote controls to change chanels?

A) Gamma
B) Radio
C) Microwave
D) Infrared

User Josh Fell
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1 Answer

1 vote
your answer is D

The main technology used in home remote controls is infrared (IR) light. ... The infraredlight pulses form a pattern unique to that button. The receiver in the device recognizes the pattern and causes the device to respond accordingly.
User Nirajan Singh
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