Uncertainty

According to uncertainty principle we can’t specify the exact energy of system in a distinc time On the other hand we say that for example: at t=0 system is in basic state of energy and according to time revolution we can specify it’s energy at the next time. There are contradiction!
Question asked by: mehrani

Asked on: 17 Jul 2010

The uncertainty principle is not so much about a single quantity as about quantities in combination: the point is that you can measure one but you lose accuracy in another quantity, therefore you can't know EVERYTHING about an atom or system at a time.

For instance, if you measure the position of an atom then you can't know its exact speed at that time and vice versa: gaining knowledge in one area means you cannot be exactly sure in another.
By: knowitall
Replied at: 18 Jul 2010
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