Photons and Electrons Definitions Flashcards
1
Q
speed of light
A
constant in a vacuum: 3 * 10^8 m/s
2
Q
photoelectric effect
A
the process that occurs when light shines on a metal and electrons are ejected
3
Q
significance of the photoelectric effect
A
it establishes the quantum theory and it illustrates the particle nature of light
4
Q
threshold frequency f0
A
the minimum frequency of incident radiation at which at which electrons will be emitted from a particular metal
5
Q
work function W0
A
the minimum amount of energy needed to emit an electron from the surface of a metal; work functions is material specific
