Vacuum Tube Simulation
Target Metal
Sodium (Φ = 2.28 eV)
Calcium (Φ = 2.90 eV)
Zinc (Φ = 4.30 eV)
Copper (Φ = 4.70 eV)
Battery Voltage (V)
0.00 V
Light Controls
Wavelength (λ)
400 nm
Intensity (%)
50 %
Ek vs Frequency