Photoelectric Effect: Kinetic Energy
This simulation demonstrates the relationship between cut-off voltage and the maximum kinetic energy of emitted photoelectrons.
Volts (V)
Range: 0.1 - 5.0
Current: 1.5 V
Maximum Kinetic Energy: 2.4 ×10⁻¹⁹ J
Calculation Details
K.E.max = e × V₀
Where:
K.E.max = maximum kinetic energy of photoelectrons
e = electron charge (1.602 × 10⁻¹⁹ C)
V₀ = cut-off voltage
Electron Charge (e):
1.602 ×10⁻¹⁹ C
Cut-off Voltage (V₀):
1.5 V
Calculation:
(1.602 ×10⁻¹⁹) × (1.5)
In Electron Volts (eV):
1.5 eV
