Stern-Gerlach Experiment

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Stern-Gerlach Experiment kuvakaappaus  Lataa  Upota
  • Kvanttimekaniikka
  • Spin
  • Quantum Measurement

Sisältö

  • Kvanttimekaniikka
  • Spin
  • Quantum Measurement

Description

The classic Stern-Gerlach Experiment shows that atoms have a property called spin. Spin is a kind of intrinsic angular momentum, which has no classical counterpart. When the z-component of the spin is measured, one always gets one of two values: spin up or spin down.

Esimerkkejä oppimistavoitteista

  • Describe the observations made in the Stern-Gerlach experiment.
  • Describe how spins behave in the presence of a magnetic field.
  • Recognize that spin is quantized.
  • Describe how measuring spin along some direction changes its state.
  • Argue from experimental observations that spin in the x direction and spin in the z direction must be incompatible observables.
Version 2.02

Teacher Tips

Opettajan opas (pdf) sisältää PhET-tiimin vinkkejä. ( PDF ).

Teacher-Submitted Activities

Visualization and Visual Illusions SIM Homework A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Kathy Perkins, Carl Wieman UG-Intro Kotiteht Fysiikka
Stern Gerlach clicker questions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Sam McKagan, Kathy Perkins, Carl Wieman, and Noah Finkelstein UG-Adv
UG-Intro
Kysymykset Fysiikka
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein YK Muu Biologia
Kemia
Maantiede
Fysiikka
MS and HS TEK to Sim Alignment Elyse Zimmer L
YK
Muu Biologia
Kemia
Fysiikka
Spinometer Doug Mounce UG-Adv Demo Fysiikka
Spinometer Chris Mounce UG-Adv Demo

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Suunnitteluryhmä Kolmannen osapuolen kirjastot Kiitokset
  • Michael Dubson (developer/lead)
  • Sam McKagan (co-lead)
  • Carl Wieman
  • Interviewer: Sam McKagan