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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