The spectrum of electromagnetic waves ranges from low-frequency radio waves to high-frequency gamma
—© Merriam-Webster Inc.
This entry comes from Encyclopædia Britannica Concise.For the full entry on electromagnetic spectrum, visit Britannica.com.
What made you look up electromagnetic spectrum? Please tell us what you were reading, watching or discussing that led you here.
Take our visual vocab quiz
A quick quiz about stuff worth knowing
The commonly misspelled words quiz
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes