At what atomic number would a transition from `n=2"to"n=1` energy level result in emission of photon of `lambda= 3xx10^(-8)m`?

Estimate the difference in energy between 1st and 2nd Bohr orbits for hydrogen atom. At what minimum atomic number, a transition from n = 2 to n=1 energy level would result in the emission of X-rays with lambda=3 xx 10^(-8) m? Which hydrogen atom like species does this atomic number correspond to?

Estimate the difference in energy between the first and second Bohr's orbit for a hydrogen atom At what minimum atomic number , a transition from n = 2 to n = 1 energy level would result in the enmission of X -rays with lambda = 3.0 xx 10^(-8) m ? Which hydogen -like spectrium does this atomic bnumber corresponding to ?

Transition of electron from n=3 to n=1 level results in

If the lowest energy X-rays have lambda = 3.055 xx 10^(-8)m , estimate the minimum difference in energy between two Bohr.s orbits such that an electronic transition would correspond to emission of an X-ray. Assuming that the electrons in other shells exert no influence, at what Z(minimum) would a transition from the second energy level to the first result in the emission of an X-ray ?

If the lowest energy X-rays have lambda=3.055xx10^(-8) m, estimate the minimum difference in energy between two Bohr's orbits such that an electronic transition would correspond to the emission of an X-ray. Assuming that the electrons in other shells exert no influence, at what Z (minimum) would a transition form the second level to the first result in the emission of an X-ray?

If the lowest energy X-rays have lambda=3.055xx10^(-8) m, estimate the minimum difference in energy between two Bohr's orbits such that an electronic transition would correspond to the emission of an X-ray. Assuming that the electrons in other shells exert no influence, at what Z (minimum) would a transition form the second level to the first result in the emission of an X-ray?

If the lowest energy X-rays have lambda=3.055xx10^(-8) m, estimate the minimum difference in energy between two Bohr's orbits such that an electronic transition would correspond to the emission of an X-ray. Assuming that the electrons in other shells exert no influence, at what Z (minimum) would a transition form the second level to the first result in the emission of an X-ray?

The energy levels of an atom are as shown in Fig.1.23 Which one of these transitions will results in the emission of a photon of wavelength 275 nm? .