Tue April 24, 2012 By: Avi Wadhwa

The concept of uncertainty principle also extends giving a relation between uncertainties in energy and E * delta T >= h/4p....plz give a theoretical explaination for this relation??

Expert Reply
Tue April 24, 2012
Other than the position-momentum uncertainty relation, the most important uncertainty relation is that between energy and time. The energy-time uncertainty relation is not, however, an obvious consequence of the general Robertson–Schrödinger relation. Since energy bears the same relation to time as momentum does to space in special relativity, it was clear to many early founders, Niels Bohr among them, that the following relation should hold: 
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