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17 Cards in this Set
- Front
- Back
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Electromagnetic radiation
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a form of energy exhibiting wavelike behavior as it travels through space; can be described by wavelength, frequency, amplitude, and speed and includes visible light, microwaves, xrays and radio waves
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Wavelength
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The shortest distance between equivalent points on a continuous wave; is usually expressed in meters, centimeters or nanometers
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Frequency
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The number of waves that pass a given point per second
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amplitude
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The height of a wave from the origin to a crest, or from the origin to a trough
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What is the speed of any electromagnetic radiation?
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3 m/s
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As the wavelength of an electromagnetic wave DECREASES the frequency?
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increases
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Electromagnetic spectrum
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includes all forms of electromagnetic radiation, with the only difference in the types of radiation being their wavelength and frequency
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What are the 6 types of electromagnetic radiation
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Visible light
microwave x rays radio waves Ultraviolet light gamma rays |
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List the visible light colors in order of increasing frequency
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Red
Orange Yellow Green Blue Indigo Violet |
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List the visible light colors in order of decreasing wavelength
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Violet
Indigo Blue Green Yellow Orange Red |
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Quantum
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The minimum amount of energy that can be gained or lost by an atom.
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Formula for the Energy of a quantum
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E=hvck's Constant (h) x frequency (v)
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Value of Planck's Constant
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6.626 x 10¯34 J.s.
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Photoelectric effect
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A phenomenon in which photoelectrons are emitted from a metal's surface when light of a certain frequency shines on the surface
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photon
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a particle of electromagnetic radiation with no mass that carries a quantum of energy
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atomic emission spectrum
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a set of frequencies of electromagnetic waves give off by atoms of an element; consists of a series of fine lines of individual colors.
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Does each element have a unique atomic emission spectrum?
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yes
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