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 (Take hc = 12500 eV-A)

A hydrogen atom, initially in the ground state is excited by absorbing

1.	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 (Take hc = 12500 eV-A)
A.	4a0
B.	9a0
C.	16a0
D.	25a0
Answer» D. 25a0

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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 (Take hc = 12500 eV-A)

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