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 $\infty$
- ✓$\lambda_{\text {min }}$ to $\infty$, where $\lambda_{\text {min }}>0$
- C$0$ to $\lambda_{\text {max }}$ where
- D$\lambda_{\text {min to }} \lambda_{\text {max }}$, where $0<\lambda_{\text {min }}<\lambda_{\text {max }}<\infty$
