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![[Post New]](/templates/default/images/icon_minipost_new.gif) 6 Apr 2008 19:48:43 IST
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what is quantum mechnism?
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6 Apr 2008 19:50:41 IST
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QUANTAM MECHANICS IS THE SCIENCE THAT ADVOCATES THAT LIGHT TRAVELS IN THE FORM OF PARTICLES
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From shadows a light shall spring
Renewed shall be blade that's broken
The crown less again shall be king.
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6 Apr 2008 19:54:19 IST
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the newtonian mechanics.or classical physics can be used for studying the macroscopic bodies motion....there trajectories can be determined accurately....but if we apply the same laws to the microscopic entities like electrons ..protons...even molecules...we can not apply them there...because of consequences of some basic principles like the heisenbergs uncertainty principle...so we have to use the quantum mechanics... .. ......
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6 Apr 2008 19:57:42 IST
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this is because we ignore the dual nature of MATTER ...that is both particle and wavelike nature...in newtonian mechanics..
Quantum mechanics has its basic set of equations like the schrodinger equation...it is marvelous that the laws of quantum mechanics work successful when applied to the macroscopic particles...where the wave nature is negligible...
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6 Apr 2008 19:59:42 IST
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see heisenbergs principle states that it is impossible tp determine the position and momentum or velocity of a particle like electron simultaneously
explanation>>>
to determine the exact position of the electron you will have to use light of the wavelength of dimensions of electrons ....
...........like for measuring length of a thin wire you cannot use ur meter scale ..you need one of its dimensions,,,
so if you use waves of such short dimensions to determine its position..ofcourse it has a lot of energy due to short wavelength..
..this high energy by collision will be transferred to the electron increasing its momentum or collision ...
and so we will not be able to determine ite velocity
@@@hav a chillin time@@
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