Optical Phenomena Flashcards
1
Q
Photoelectric effect
A
The process whereby electrons are ejected from a metal surface when light of suitable frequency is incident on that surface
2
Q
Threshold frequency
A
The minimum frequency of light needed to emit electrons from a certain metal surface
3
Q
Work function
A
The minimum energy that an electron in the metal needs to be emitted from the metal surface
4
Q
Atomic absorption
A
Spectrum formed when certain frequencies of electromagnetic radiation passing through a substance is absorbed
