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What type of waves are EM waves?
They are transverse waves that transfer energy from the source to an absorber
Do the waves on the EM spectrum travel at the same velocity through a vacuum/air?
Yes
If the waves have a short wavelength, what is their frequency range?
High frequency = short wavelength
What are the EM waves from increasing frequency?
Radiowaves, Microwaves, Infrared, Visible light, UV, X-rays, Gamma rays.
What type of waves can our eyes only detect?
Visible light