The energy needed to detach the electron of a hydrogen like ion in ground state is a system(a) what is the wavelength of the radiation emitted when the electron jumps from the first excited state to the ground state? (b) What is the radius of the orbit for this atom?

(a) (i) Find the wavelength of the radiation required to excite thye elctron in Li(++) from the first to the third Bohr orbit. (ii) How many spectal lines are observed in the emission spectrum of the above excited system ? (b) The energy needed to detach the electron of a hydrogen-like ion in ground state in 4 rydberg. (i) What is the wavelength of the radiation emitted when the electron jumps from the first excited state ot the ground state ? (ii) What is the radius of first orbit ? (c ) A hydrogen sample is prepared in a particular excited state A. Photons of energy 2.55 eV get absorbed into the sample to take some electrons to a further excited state B. Find the quantum number of the A and B. (d) A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with excitation energy 10.2 eV. (i) Identify the quantum number n of the upper and the lower energy states. Find lambda .

The ratio of areas within the electron orbits for the first excited state to the ground state for hydrogen atom is

The ionisation of a H-like atom is 4R_(h) a. Calculate the wavelength radiation when an electron jumps from the first excited state to the ground state b. What is the radius of first orbit of this atom ? ?Given 1 Rh= 2.18 xx 10^(-18) J

Find the wavelength present in the radiation emitted when hydrogen atoms emitted to n = 3 states return to their ground state

The ionisation energy of hydrogen is 13.6 eV . The energy of the photon released when an electron jumps from the first excited state (n=2) to the ground state of hydrogen atom is

What is the ratio of minimum to maximum wavelength of radiation emitted by electron when it jump from as higher state to ground state in Li^(2+) ion ?

The energy required to excite a hydrogen atom from n= 1 to n = 2 energy state 10.2 eV. What is the wavelength of the radiation emitted by the atom when it goes back to Its ground state ?

Find the wavelength of electron orbiting in the first excited state of hydrogen atom.