1 Failures of classical physics Flashcards
(8 cards)
1
Q
What is the maximum energy for the photoelectric effect?
A
E = hf - Φ
2
Q
What is the energy of a photon?
A
E = hf
3
Q
What is the reduced Planck’s constant?
A
ℏ = h/2π
4
Q
What is the momentum of a photon?
A
P = hk
Where k is the wavevector
5
Q
What is the equation for Compton scattering?
A
λ’ - λ = (1-cos(θ))2πh/Mc
6
Q
What is Bohr’s model?
A
Electrons move on a fixed circular path around the nucleus
7
Q
What is the equation for orbital angular momentum?
A
Ln = mvnrn = nh/2π
8
Q
What is the uncertainty principle?
A
ΔxΔp ≥ ℏ/2
