Energy of a photon of light
E = hf
Maximum kinetic energy of an electron in the photoelectric effect
Kmax = hf − W
Work function
W = hfT
Mass defect and energy
E = mc2
Nuclear decay (general form)
Alpha decay
Beta-negative decay
Beta-positive decay (positron emission)
Gamma decay
Electron capture
Rate of nuclear decay
Exponential decay
n = n0e−λt
Decay constant
