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in Heisenbergs uncertainty principle, how do you know when to use hbar, h, h/2 or hbar/2?
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Heisenberg's uncertainty principle is a fundamental concept in quantum mechanics that states that it is impossible to simultaneously know the exact position and momentum of a particle.
German physicist Werner Heisenberg discovered the uncertainty principle in 1927 while working on quantum mechanics.
The uncertainty principle is significant because it imposes limitations on the precision with which certain pairs of physical properties of a particle can be known. It shows that the behavior of particles on a subatomic level is inherently unpredictable.
The uncertainty principle is closely related to the wave-particle duality of light, which states that light can exhibit both wave-like and particle-like behavior. In the case of light, the uncertainty principle manifests as a limit on the precision with which the position and momentum of a photon can be known.
No, the uncertainty principle is a fundamental principle of quantum mechanics and cannot be violated. However, it can be circumvented by using clever experimental techniques or by considering large ensembles of particles rather than individual particles.