Heisenberg uncertainty principle with single-slit electron diffraction

Narrowing the slit (smaller Delta x) widens the diffraction pattern (larger Delta p); Delta x Delta p stays about h.

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About this experiment

SubjectPhysics
Class12
Chapter11. Dual Nature of Radiation and Matter
NCERT section11.9
LevelAdvanced (JEE / Olympiad)
Timeabout 14 minutes
AccessIncluded in a PractiSci plan

What you do in the lab

Change the controls and watch the physics behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.

Topics: uncertainty principle · electron diffraction · wave packet · quantum

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