Can a hydrogen atom emit characteristic X-ray?

Consider a photon of continuous X-ray and a photon of characteristic X-ray of the same wavelength. Which of the following is/are different for the two photons?

If gamma is the frequency of characteristic X-ray line emitted by a target element of atomic number Z, then Moseley's law is

Is it possible that in a Coolidge tube characterstic L_alpha X-rays are emitted but not K_alpha X-rays?

The energy of a photon of characteristic X-ray from a Cooling tubes comes from

Which of the following transitions in hydrogen atoms emits photon of highest frequency?

When a photon is emited by a hydrogen atom , the photon carries a momentum with it (a) calculate the momentum carreied by the photon when a hydrogen atom emits light of wavelength 656.3 nm (b) with what speed does the atoms recoil during this transition? Take the mass of the hydrogen atom = 1.67 xx 10^(-27) kg (c ) Find the kinetic energy of recoil of the atom

According to Maxwell's theory of electrodynamics, an electron going in a circle should emit radiation of frequency equal to the frequency of revolution what should be the wavelength of the radiation emitted by a hydrogen atom in ground state if this rule is followed?

Find the maximum potential difference which may be applied across an X-ray tube with tungsten target without emitting any characteristics K or L X-ray. The energy levels of the tungsten atom with an electron knocked out are as follows. Cell containing vacancy K L M Energy in keV 69.5 11.3 2.3