atsuedem5768 atsuedem5768

30-01-2024
Physics

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If each hydrogen atom in the ground state 1.0 mol of H atom are excited by axeited by absorbing photon of energy 8.4eV,12.09 eV and 15.0eV of energy, then number of spectral lines emitted is equal to
A. 1
B. 2
C. 3
D. 4

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