MCQ
$X-$ rays are produced in $X-$ ray tube operating at a given accelerating voltage. The wavelength of the continuous $X-$ rays has values from
- A$0$ to $\infty $
- ✓${\lambda _{\min }}$ to$\infty $, where ${\lambda _{\min }} > 0$
- C$0$ to ${\lambda _{\max }}$ where ${\lambda _{\max }} < \infty $
- D${\lambda _{\min }}$ to ${\lambda _{\max }}$, where 0 < ${\lambda _{\min }} < {\lambda _{\max }} < \infty $
