Photoelectric Effect
K_max vs Frequency
Current vs Voltage
Controls
Wavelength400 nm
UVVisibleIR
Intensity50%
Voltage0.00 V
-5V0V+5V
Data
Photon Energy (E)3.10 eV
Work Function (φ)2.40 eV
Max Kinetic Energy0.70 eV
Stopping Voltage (Vs)0.70 V
Threshold λ₀517 nm
Einstein's Equation
K_max = hf - φ
0.70 = 3.10 - 2.40