The graph that correctly represents the relation of frequency `v` of a particular characteristic `X` - ray with the atomic number `Z` of the material is

For characteristic X - ray of some material

For characteristic X - ray of some material

The graph between the square root of the frequency of a specific line of characteristic spectrum of X - rays and the atomic number of the target will be

The graph between the square root of the frequency of a specific line of characteristic spectrum of X - rays and the atomic number of the target will be

Can a hydrogen atom emit characteristic X-ray?

Can a hydrogen atom emit characteristic X-ray?

Can a hydrogen atom emit characteristic X-ray?

The wavelength lambda and the frequency f of a particular X- ray spectral line varies with the atomic number Z of the target element. In this event , Z is nearly proportional to

The characteristic of the target element that determines the frequency of characteristic X-rays, is