Welcome to the 1520 Perfect Dictionary
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| Critical angle | |
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| CRITICAL ANGLE Definition: (physics) The smallest angle of incidence at which total internal reflection occurs when a ray of light, or other electromagnetic radiation, travels through through a medium to its boundary with a less refracting medium. __________________________________ NOT APPLICABLE. See perfect angle (1). See perfect form (1). _____ See perfect least. _____ See perfect smallness (1). See perfect measurement (2). See perfect particularity (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |