Optical Phenomena Flashcards
1
Q
Threshold frequency
A
as the minimum frequency of light needed to emit electrons from a certain metal surface.
2
Q
What is the phenomenon of this topic
A
Photoelectric effect
3
Q
Work function
A
the minimum energy that an electron in the metal needs to be emitted from the metal surface.
4
Q
Photoelectric effect
A
the process whereby electrons are ejected from a metal surface when light of suitable frequency is incident on that surface