Light and Quantized Energy

Electromagnetic Radiation
type of energy that behaves like a wave while traveling through space
Wavelength
λ (Greek Lambda)
“the shortest distance between equivalent points on a continuous wave”
Frequency
ν (Greek nu)
how many waves passing a given point in the span of one second.
measured in hertz
Amplitude
a characteristic of a wave; the height of a wave from its origin to it’s crest/trough
Electromagnetic Spectrum
includes all electromagnetic radiation, separated by wavelength and frequency
quantum
the smallest quantity of energy that an atom can gain or lose
Planck’s Constant
energy is 6.626 x 10-34 joules x seconds
Photoelectric Effect
when light of a specific frequency is concentrated on a metal’s surface, electrons (photoelectrons) will be released
Photon
a bundle of energy, or a “particle of electromagnetic radiation with no mass that carries a quantum of energy”
Atomic Emission Spectrum
the frequencies of the ER waves;emitted when the light from an element runs through a glass prism
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