Einstein photoelectric equation (hν = φ + K_max)
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hν = φ + K_max
What each symbol means
| Symbol | What it stands for |
|---|---|
| φ | Work function of metal |
| V_s | Stopping potential (K_max = eV_s) |
| hν | Photon energy |
| K_max | Maximum kinetic energy of photoelectrons |
When to use this
Threshold frequency ν₀ = φ/h; one photon ↔ one electron (particle picture).