Dual Nature of Radiation and Matter

Question: The wavelength of ${K_\alpha }$ line for an element of atomic number 43 is $\lambda$. Then the wavelength of ${K_\alpha }$ line for an element of atomic number 29 is

1) $\frac{{43}}{{29}}\lambda $

2) $\frac{{42}}{{28}}\lambda $

3) $\frac{9}{4}\lambda $

4) $\frac{4}{9}\lambda $

Solution:

Explanation: No Explanation

X-Rays

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