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Hydrogen atoms are excited from ground state to the state of principal quantum number 4. Then, what will be the number of spectral lines observed?

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MCQs on alpha particle scattering and rutherford nuclear model of atom, atomic spectra, bohr model, hydrogen atom line spectra and de broglie explanation of quantisation.


Hydrogen atoms are excited from ground state to the state of principal quantum number 4. Then, what will be the number of spectral lines observed?






 
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