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ELECTRONIC
QUIZ |
What is SONAR ?
click here for answer.
last date:15th feb,2005
Winner of last question :
S.Ahsan Mustaqeem (Malir Halt-Karachi) Pakistan
(sahsan_mustaqeem@yahoo.com)
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DO
YOU KNOW ? |
RADAR
is acronym from
Radio
Direction
And
Ranging,
A system that locates distant moving or stationary objects using
reflected radio waves of microvwave frequency. It is used for
navigation & guidance of ships, aircraft & other vehicles. |
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IT OUT !! |
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UNITS |
Frequency |
Hertz |
Hz |
Energy |
Joule |
J |
Force |
Newton |
N |
Power |
Watt |
W |
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