Question
Show that if the uncertainty in the position of a particle is on the order of its de Broglie's wavelength, then the uncertainty in its momentum is on the order of the value of its momentum.
Step 1
Mathematically, this is represented as: \[ \Delta x \Delta p \geq \frac{\hbar}{2} \] Show more…
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Key Concepts
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Show that if the uncertainty in the location of a particle is about equal to its de Broglie wavelength, then the uncertainty in its velocity is about equal to one tenth its velocity.
De Broglie'S Postulate-Wavelike Properties Of Particles
Problems
If the uncertainty in the position of a wave packet representing the state of a quantumsystem particle is equal to its de Broglie wavelength, how does the uncertainty in momentum compare with the value of the momentum of the particle?
If u particle's position uncertainty is zero, what can be said of its momentum uncertainty? If a particle's position uncertainty is infinite, what can be said of its momentum uncertainty?
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