Physics
Quantum and atomic physics
Photons, de Broglie waves, photoelectric effect and hydrogen atom.
Physics
Photon energy
E = hf→PhysicsDe Broglie wavelength
λ = h / p→PhysicsMaximum photoelectron energy
Eₖ = hf − A→PhysicsHydrogen atom energy level
Eₙ = −13.6 / n²→PhysicsPhoton momentum from wavelength
p = h/λ→PhysicsDe Broglie wavelength from mass and speed
λ = h/(mv)→PhysicsDe Broglie wavelength from kinetic energy
λ = h/√(2mE)→PhysicsPhotoelectric threshold frequency
ν₀ = A/h→PhysicsPhotoelectric stopping voltage
U = (hν−A)/e→PhysicsPhoton energy from wavelength in electronvolts
E = 1240/λ→PhysicsPosition uncertainty
Δx = h/(4πΔp)→