⚛ SciSims
Einstein's Universe
Double Slit
Photoelectric Effect
Rutherford
India Rainfall
2026 Forecast
Photoelectric Effect
Quantum mechanics — one photon, one electron
Interactive Sim
Light Frequency
600
THz
400
Threshold: 545 THz
900
Intensity (Photons/s)
5
×
More photons hit the surface — but each carries the same energy.
Photon Energy
—
Electrons Out
0
Electron KE
—
🔴
Why frequency over brightness?
↗
Threshold frequency
↗
Einstein's explanation
↗
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