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8 Cards in this Set

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  • Back
Electromagnetic waves
vibrating electric charges that can travel through space where matter is not present
Frequency
the number of vibrations that occur in one second; it is measured in Hertz
Photon
a particle whose energy depends on the frequency of light
Radio waves
low-frequency electromagnetic wave with wavelengths greater than 1 mm
Infrared waves
a type of electromagnetic wave with wavelengths between 1 mm and 750 billionths of a meter
Visible light
the range of electromagnetic waves that you can detect with your eyes
X-rays
ultra-high-frequency electromagnetic waves; so energetic that they can travel through matter
Gamma-rays
ultra-high-frequency electromagnetic waves; so energetic that they can travel through matter