Modern Physics
Stopping Potential
The minimum potential needed to stop the most energetic photoelectrons.
Variables
eC
Electron charge
V_0V
Stopping potential
hJ·s
Planck constant
fHz
Frequency
\phiJ
Work function
Your notes
0/5000
Common questions
What is the Stopping Potential formula?
Stopping Potential is written eV₀ = hf - φ. The minimum potential needed to stop the most energetic photoelectrons. It belongs to Modern Physics, under Quantum Mechanics.
What are the units in eV₀ = hf - φ?
In SI units, e is electron charge, measured in C; V_0 is stopping potential, measured in V; h is planck constant, measured in J·s; f is frequency, measured in Hz; \phi is work function, measured in J.