Welcome to the 1520 Perfect Dictionary
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| Doppler effect | |
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| DOPPLER EFFECT Definition: (usually the Doppler effect) (physics) The way that sound waves, light waves, etc. change according to the direction that the source is moving in with relation to the person who is observing. ____________________________________ See perfect change (1). ____ See perfect reaction (6). See perfect reaction (7). ____ See perfect distortion (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 |