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Visible light
electromagnetic waves that humans can see.
Photon
a wave bundle, or particle, of electromagnetic energy.
Microwave
a wave from the upper end of the radio wave band.
Gamma ray
a high- energy photon that is emitted from a nucleus when a radioactive isotope experiences gamma decay.
Ultraviolet wave
an electromagnet wave that is just beyond (more energetic than) violet visible light.
X ray
photograph taken with ________.
Amplitude modulation
the process of putting information into a radio wave by changing, or modulating, the amplitude of the wave.
Frequency modulation
the process of putting information into a radio wave by changing, or modulating, the frequency of the wave.
electromagnetic wave
a disruption in an electromagnet field that carries energy, even through the vacuum of space
photon
a wave bundle, or particle, of electromagnetic energy
electromagnetic spectrum
the entire range of all electromagnetic wave s
Radio wave
the longest and lowest energy type of electromagnet wave
Frequency
3 Hz to 300 GHz
Wavelengths
100 000 km to 1 mm
Uses
navigation, communication
Microwave
a wave from the upper end of the radio wave band
Frequency
300 MHz to 300 GHz
Wavelengths
1 m to 1 mm
Uses
navigation, communication, astronomy, cooking
Visible light
electromagnetic waves that humans can see
Frequency
430 THz to 790 THz
Wavelengths
700 nm to 380 nm
Ultraviolet wave
an electromagnet wave that is just beyond (more energetic than) violet visible light
Frequency
790 THz to 30 PHz
Wavelengths
380 nm to 10 nm
Uses
medical treatment, dentistry, killing bacteria
X-ray
photograph taken with x-ray
Frequency
30 PHz to 30 EHz
Wavelength
10 nm to 10 pm
Uses
medical imagery, transportation security, nondestructive inspection
Gamma ray
a high-energy photon that is emitted from a nucleus when a radioactive isotope experiences gamma decay
Frequency
above 30EHz
Wavelengths
10 pm down to 1 fm
Uses
medical treatment, astronomy
amplitude modulation
the process of putting information into a radio wave by changing, or modulating, the amplitude of the wave
frequency modulation
the process of putting information into a radio wave by changing, or modulating, the frequency of the wave
electromagnetic wave
a disruption in an electromagnet field that carries energy, even through the vacuum of space
electromagnetic spectrum
the entire range of all electromagnetic wave s
radio wave
the longest and lowest energy type of electromagnet wave
Note 
Flashcard (78)