- #1
wikidrox
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This one doesn't make sense to me.
A lost person may signal by flashing a flashlight on and off using morse code. This is actually a modulated EM wave. Is it AM or FM? What is the frequencey of the carrier, approximately?
How can a light wave be AM or FM? I don't get it.
I thought the answer was AM though.
A lost person may signal by flashing a flashlight on and off using morse code. This is actually a modulated EM wave. Is it AM or FM? What is the frequencey of the carrier, approximately?
How can a light wave be AM or FM? I don't get it.
I thought the answer was AM though.