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speed of light (c) divided by the wavelength (y)
v=c/y |
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300 million meters per second
or
3.0 x 108 m/s |
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| one wave is going down, when the other is rising, they cancel each other |
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| constructive interference |
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| one wave is rising as the other is rising, we have an additive situation--the resulting wave would be huge! |
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| color changes in the light--most commonly observed when oil is floating on water. The rainbow of colors is from the constructive and destructive interference of light waves of differing wavelengths (some colors get wiped out and some colors get amplified) |
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| when glossy surfaces reflect light all in one direction |
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| bumpy or gritty surfaces reflect the incident light in many directions |
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| when light enteres a denser substance it is bent into that substance |
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| red, green, and blue (RGB) |
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| subtractive color primaries for paints |
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blue + yellow + red =
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blue + yellow =
(subtractive) |
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blue + red =
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yellow + red =
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| printer subtractive primary colors |
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| cyan, magenta, yellow, and black |
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L=Luminance (brightness) channel
A=red-green channel
B=blue-green channel |
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| What are atoms made up of? |
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| three types of subatomic particles called protons, neutrons, and electrons. Protons bear a positive charge, neutrons have no charge, and electrons bear a negative charge. |
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| number of protons and neutrons |
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| each horizontal row on the periodic table |
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| vertical columns of elements in the periodic table |
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| negatively charged ions (have one or more extra electra electrons added which results in a net negative charge on the atom) |
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| positively charged (have one or more electrons removed from the valence shell resulting in a net positive charge on that atom) |
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| substance which releases protons (H+ions) into a water solution |
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| substance which releases hydroxide ions (OH-ions) into a water solution |
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| slaked-lime--Ca(OH)2--is a basic substance because it will produce hydroxide ions when mixed with water |
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| glass is made-up of silicon atoms bonded to oxygen atoms in a tetrahedral arrangement to create a giant network. |
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| primitive, porous and low firing |
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| common dinnerware, higher firing and non-porous, suitable for holding water |
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| made from very pure kaolin clay (china clay), very high firing and non-porous, the high kaolin content makes for a very white finish |
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| variation on porcelain where bone dust is mixed into the kaolin clay to produce a creamy coloration, a glaze is also applied to produce fine china |
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| glaze and enamel composition |
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| similar to glass, usually ccontain more components, formulated to melt at lower temperatures |
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(1) drying
(2) Dehydroxylation and Oxidation
(3) Vitrification |
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