Origins of Quantum PHysics Flashcards
Light
an alternating elctro and magnetic wave that was discovered to have particle like properties.
an alternating elctro and magnetic wave that was discovered to have particle like properties.
Light
relaiton of light speed, waveleingth, and frequency
C=π΄π
C=π΄π
relation of light speed, frequency, and waveleingth
waveleingth (π΄)
the distance between two identical points in a wave, measured in meters
the distance between two identical points in a wave, measured in meters
waveleingth (π΄)
frequency (π)
The amount of cycles in a second, formaly measured in Hertz
The number of cycles per second, formally measured in hertz
frequency (π)
Blackbody radiation
any solid object emits light, the frequency of which depends on the objectβs temperature
any solid object emits light, the frequency of which depends on the objectβs temperature
Blackbody Radiation
Blackbody radiation equation
(8πΏπ^2)/c^3)*(hπ/(e^(hπ/KT)-1)
((8πΏπ^2)/c^3)*(hπ/(e^(hπ/KT)-1)
Blackbody Radiation Equation
frequency max of blackbody radiation
Wiens law: π΄max=(hc)/(4.9663 Kb*T)
Wiens law: π΄max=(hc)/(4.9663 Kb*T)
frequency max of blackbody radiation
photoelectric effect
when light of a high enough frequency hits metal, that metal will eject electrons, the higher the frequency the faster the electronβs motion
when light of a high enough frequency hits metal, that metal will eject electrons, the higher the frequency the faster the electronβs motion
Photoelectric Effect
Photons
Quantized, massles wave-particles of light
Quantized, massles wave-particles of light
Photons
photoelectric effect equation
hπ=W+Ek
hπ=W+Ek
Photoelectric effect equation
Work function (W)
minimum amount of energy required to produce the photoelectric effect on a specific metal
minimum amount of energy required to produce the photoelectric effect on a specific metal
Work function (W)
Energy of a photon
hπ
hπ
energy of a photon
pair production
when light moves fast enough, it produces electron/positron pairs
when light moves fast enough, it produces electron/positron pairs
Pair Production
Momentum of light
P=hπ/c
P=hπ/c
Momentum of light