In Connection with X-Ray Emission the Symbol K _$\alpha$ Refers To:
A)an Alpha Particle Radiation
B)an Effect

Multiple Choice

In connection with x-ray emission the symbol K _$\alpha$ refers to:

A) an alpha particle radiation
B) an effect of the dielectric constant on energy levels
C) x-ray radiation from potassium
D) x-ray radiation associated with an electron going from n = $\infty$ to n = 1
E) x-ray radiation associated with an electron going from n = 2 to n = 1