(2.2) - Electromagnetic Radiation and quantum phenomena Flashcards
1
Q
Threshold frequency
A
The minimum frequency needed to eject an electron from surface of a material
2
Q
Work function ϕ
A
Minimum energy needed to eject an electron from the surface of a material
3
Q
Stopping potential
A
Minimum voltage needed to stop the most energetic photoelectrons ejected from a material’s surface
4
Q
Electronvolt
A
Work done or kinetic energy gained to accelerate an electron through an electric potential difference of 1 volt
5
Q
A
