Question

Binding energy of H-like aystem corresponding to 2nd exited state is given by 13.5eV
(i) Identify the sample
(ii) Ionization Energy of sample
(iii) Energy of photon required to cross the transition from 2nd state to 3rd excited state
(iv) Wavelength of emitted photon , when electron falls from 1st excited state to ground state.
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Answer 1

Answer:

option C is the answer

Explanation:

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