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spectrum

any array of light that is visible, an ordered array of the components of an emission or wave

emit

to give off

absorb

to take in

nuclear fusion

a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy

wavelength

the distance between two points in the same phase in consecutive cycles of a wave

frequency

the number of complete wavelengths that pass a point in a given time

amplitude

the hight of a wave

contiuous spectrum

rainbow of colors

electromagnetic spectrum

the entire frequency range of electromagnetic waves

emission spectrum

a series of bright lines of particular wavelengths produced by a hot gas under low pressure

absorption spectrum

the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths

electromagnetic radation

the usage of powerful light in order to treat certian desises like cancer

doppler effect

change in the apparent frequency of a wave as observer and source move toward or away from each other

tenor

the pitch range of the highest male voice

baritone

lower in range than tenor and higher than bass

bass

the lowest adult male singing voice

saprano

the highest female

alto

the pitch range of the lowest female voice

speed of sound

340 m/s

speed of light

186,000 miles per second

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