Photons and Electrons Flashcards
threshold (cut-off) frequency (fo)
the minimum frequency of incident radiation at which electrons will be emitted from a particular metal
work function (Wo)
the minimum amount of energy needed to emit an electron from the surface of a metal and know that the work function is material specific
Describe the photoelectric effect
the process that occurs
when light shines on a metal and electrons are ejected, it establishes the quantum theory and it illustrates the particle nature of light
What does I.G.Y.O.R. mean and a random hint
Indigo
Green
yellow
orange
red
From most frequency and energy to less frequency and energy Thus from closest to feathers
Also when compared with stripe diagrams draw a circle on the stripe and determine the direction/shift of the stripe diagram
When they ask what what is the electrostatic force of A exerted on force B what do they mean?
force of B however due to Newtons 3rd law we should know that the electrostatic forces of both A and B are the same
Emission spectrum and absorption spectrum respectively
high to low energy and low to high energy. This is concluded by using the electron model
Components of Fg
Fgll = mgsinx
FgRHS = mgcosx