Photoelectric Effect Calculator
Calculate electron emission properties based on Einstein's photoelectric equation.
Results
Wavelength: 248.00 nm
Maximum Kinetic Energy: 2.7000 eV
Stopping Potential: 2.7000 V
Maximum Electron Velocity: 9.7450e+5 m/s
Einstein's Photoelectric Equation
KEmax = hf - φ = hc/λ - φ
Stopping potential: eV₀ = KEmax
Threshold frequency: f₀ = φ/h
Common work functions: Na: 2.3 eV, K: 2.2 eV, Cu: 4.7 eV, Zn: 4.3 eV
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: University Physics
by Young & Freedman
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.