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 Form 4 Physics: Electromagnetic spectrum online video lessons

Meaning of electromagnetic spectrum

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Answer Text:
-Electromagnetic spectrum is a continuum of all electromagnetic waves arranged according tofrequency and wavelength. It
includes visible light, ultraviolet rays, microwaves, Xrays, radio waves and gamma rays. Electromagnetic waves are produced when
electrically charged particles oscillate or change energy in some way. The waves travel perpendicularly to both electric and magnetic fields.