The Dual Nature
Understand how light behaves as both a wave and a particle, and how matter behaves like a wave.
Energy Unit
Electron Volt (eV)
The energy gained by an electron accelerating through 1 Volt.
1 eV = 1.602 × 10-19 J
Surface Barrier
Work Function (Φ0)
The minimum energy required to escape the metal surface.
Lowest (Cesium)
2.14 eV
Highest (Platinum)
5.65 eV
Experimental Study
Current vs Intensity
Einstein's Equation
Tap terms to learn
Kmax
=
hν
-
Φ0
Tap any part of the equation above.
De Broglie Wavelength
Electron Calculator
Formula: 1.227 / √V nm
VOLTAGE (V)
100V
Wavelength
0.123 nm