Q. If energy of $K$-shell electron is $- 40000\ eV$ and If $60000\ V$ potential is applied at coolidge tube then which of the following $X$-ray will from?
A) Continuous
B) White $X$-rays
C) Continuous and all series of characteristic
D) None of these
Explanation
(c) When applied voltage is greater then enrgy of $K$-electron, continuous and all characteristic $X$-rays are emitted
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.