Unit 1 Flashcards
1
Q
Energy of a photon (formula)
A
Ephoton = hv = hc/λ
2
Q
Energy for nth stationary state (formula)
A
En = -Rh (Z^2/n^2)
3
Q
Energy of a quantum (formula)
A
E = hv
4
Q
What does each part of E = hv mean?
A
E is energy of a quantum
h is Planck’s constant (6.626 E-34 J)
v is frequency
5
Q
Kinetic energy of ejected electron
A
KE = hv - hvo = 1/2 mv^2
6
Q
What does each part of KE = hv - hvo = 1/2 mv^2 mean
A
V is frequency of incident light
Co is threshold frequency
h is Planck’s constant
m is mass of electron
