Calculate the wavelength of a photon that is emitted when an electron – InterviewSolution

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1.	Calculate the wavelength of a photon that is emitted when an electron in the Bohr orbit n=2 returns to the orbit n=1 in a He+ ion.The ionisation potential of the ground state He+ ion is 8.68×10−11 erg per atom.
Answer» Calculate the wavelength of a photon that is emitted when an electron in the Bohr orbit $n = 2$ returns to the orbit $n = 1$ in a $H e^{+}$ ion. The ionisation potential of the ground state $H e^{+}$ ion is $8.68 \times 10^{- 11} erg per atom$ .

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