Photons Flashcards
1
Q
Frequency
A
The number of complete waves that pass a point per second. Frequency is measured in hertz
2
Q
Wavelength
A
The distance between two consecutive points on a wave that are in phase. Wavelength is measured in metres.
3
Q
Photon
A
The quantum of energy when the energy is in the form of electromagnetic radiation.
4
Q
Threshold frequency
A
The minimum frequency of incident radiation at which electrons will
be emitted from a particular metal.
5
Q
Work function
A
The minimum amount of energy needed to emit an electron from the surface of a metal.
