Q. For production of characteristic $K_{\beta}\ X$-rays, the electron transition is
A) $n = 2$ to $n = 1$
B) $n = 3\ $to$\ n = 2$
C) $n = 3$ to $n = 1$
D) $n = 4$ to$\ n = 2$
Explanation
(c)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.