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09-01-2024
Chemistry

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A hydrogen atom, initially in the ground state, is excited by absorbing a photon of wavelength 980 ˚A. The radius of the atom in the excited state, in terms of Bohr radius a0, will be: (hc=12500 eV ˚A)
A 25a₀
B 9a₀
C 16a₀
D 4a₀

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