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Flashcards - NES General Science: Electromagnetic Spectrum

Flashcards - NES General Science: Electromagnetic Spectrum
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electromagnetic spectrum
The electromagnetic spectrum is the collective term for all known frequencies and their linked wavelengths of the known photons
microwaves
Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between 300 MHz and 300 GHz
visible light
The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye
pure spectral color
A spectral color is a color that is evoked by a single wavelength of light in the visible spectrum, or by a relatively narrow band of wavelengths, also known as monochromatic light
reflection of waves
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated
resonance
In physics, resonance is a phenomenon in which a vibrating system or external force drives another system to oscillate with greater amplitude at a specific preferential frequency
opacity
Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light
angle of incidence
In geometric optics, the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal

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