Welcome to the 1520 Perfect Dictionary
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| Newton's rings | |
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| NEWTON'S RINGS Definition: An interference phenomenon observed when a convex lens surface is placed in contact with a plane surface. A series of circular colored bands concentric with the point of contact is observed, because of the interference of the light waves reflected from the top and and bottom of the air film between the two surfaces. ____________________________________ See perfect phenomenon (1). ___ See perfect type (1). See perfect particularity (1). See perfect form (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 |