Greek Letters in Physics

Alpha's fine structure's key. Beta particles break free. Gamma rays shine,

energy bright. Delta shows a change in flight. Epsilon is very small.

Zeta functions count them all. Eta measures thick or thin. Theta shows the

angle spin. Iota is just a tiny dot. Kappa's curvature we've got.

Lambda is a light wave's length. Mu gives friction all its strength. Mu tells how

fast things vibrate. Xi shows how things correlate. Omicron's the efficiency found.

Pi makes circles go around. Rho tells how dense things are. Sigma adds from

near to far. Tau is time things take to decay. Upsilon measures in