Photoelectric Effect Flashcards
1
Q
What is the relationship between kinetic energy of the electron and stopping potential?
A
K = eVs
Where Vs = stopping potential
2
Q
What is work function?
A
Work function (Wo) is the minimum energy needed to eject an electron from the surface of a metal
Wo = hfo
Where fo = threshold frequency?
3
Q
What is threshold frequency?
A
Threshold frequency is the minimum frequency required of incident radiation to liberate an electron from the surface of a metal.
4
Q
What is the formula for the energy of an electron emitted via photoelectric effect?
A
hf = Wo + K
Where Wo = work function
K = kinetic energy
