Photoelectric Effect Calculator
Calculate kinetic energy, stopping potential, and threshold values for the photoelectric effect
Common work functions: Cesium (2.1 eV), Sodium (2.3 eV), Aluminum (4.1 eV), Copper (4.7 eV), Gold (5.1 eV)
Formulas Used
Einstein's equation: KE_max = hf - φ = E_photon - φ
Stopping potential: V_s = KE_max / e
Threshold frequency: f_0 = φ / h
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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.