Kvantna interferencija valova
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Teme
- Kvantna mehanika
- Fotoni
- Elektroni
- Atomi
- Čestice
- Valovi
Opis
When do photons, electrons, and atoms behave like particles and when do they behave like waves? Watch waves spread out and interfere as they pass through a double slit, then get detected on a screen as tiny dots. Use quantum detectors to explore how measurements change the waves and the patterns they produce on the screen.
Uzorak ciljeva učenja
- Visualize a photon, electron, neutron, or helium atom as a wave packet that collapses upon detection.
- Visualize what happens to the wave between slit and screen.
- Justify how the double slit experiment explains that matter and light behave as waves.
- Describe the behavior of a wave function in the presence of a detector, and explain how putting a detector over a slit destroys the interference pattern. Determine how the interference pattern will change if you change the mass, speed, or wavelength.
- Recognize large range of size scales involved in quantum interference experiments.
- Recognize that two coherent light sources can interfere, but only if they have the same wavelength.
Verzija 1.11
Savjeti učitelja
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Pregled kontrole simulacije, pojednostavljenje modela i uvid u učenička razmišljanja ( PDF ). |
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