Booklet 14: Quantum Physics Flashcards
1
Q
Photon
A
a ‘packet of energy’ or a quantum of electromagnetic energy
2
Q
Electronvolt
A
the energy transferred/work done when an electron travels through a potential difference of one volt
eV to J: * 1.6x10^-19
J to eV: / 1.6x10^-19
3
Q
Threshold Frequency
A
the minimum frequency required to release electrons from the surface of a metal
4
Q
Work Function
A
(of a metal) is the minimum amount of energy required by an electron to escape its surface
5
Q
Photoelectric Effect
A
the emission of electrons from the surface of a metal due to exposure of electromagnetic radiation above a certain frequency
