MCQ
If $\lambda_1$ and $\lambda_2$ are the wavelengths of characteristic $X-$rays and gamma rays respectively, then the relation between them is
- A$\lambda_1=\frac{1}{\lambda_2}$
- B$\lambda_1=\lambda_2$
- ✓$\lambda_1>\lambda_2$
- D$\lambda_1<\lambda_2$