In Connection with X-Ray Emission the Symbol L 1 _$\beta$ 1 Refers To:
A)a Beta Particle Radiation

In connection with x-ray emission the symbol L 1 _$\beta$ 1 refers to:

A) a beta particle radiation
B) an atomic state of angular momentum h/2 $\pi$
C) the inductance associated with an orbiting electron
D) x-radiation associated with an electron going from n = 4 to n = 2
E) none of the above