5 Questions
What type of radiation do mobile phones and wireless internet use?
Microwaves
Why does Bluetooth use low energy radio waves or microwaves?
To pass through walls
Which type of signal is used by optical fibers for cable television and broadband?
Digital signal
What is one benefit of digital signaling over analog signaling?
Increased rate of transmission
What material is transparent to visible light and used in optical fibers?
Glass
This quiz covers the use of electromagnetic radiation in various communication systems such as mobile phones, Bluetooth, and optical fibers. Learn about the transmission and reception of microwaves, radio waves, and infrared light in modern communication technologies.
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