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18.2 Chemistry
Vocabulary Words
Question | Answer |
---|---|
electromagnetic spectrum | the full range of frequencies of electromagnetic radiation |
amplitude modulation (AM) | a method of transmitting a radio signal in which the amplitude of the carrier wave varies while its frequency remains the same |
frequency modulation (FM) | a method of transmitting a radio signal in which the frequency of the carrier wave varies while its amplitude remains the same |
thermograms | color-coded pictures that show variations in temperature |