According to the Bohr model, the energy of the hydrogen atom is given by the equation: E = (-21.7 x 10-19 J)/n^2 Calculate

Question

According to the Bohr model, the energy of the hydrogen atom is given by the equation: E = (-21.7 x 10-19 J)/n^2 Calculate the wavelength of the photon emitted when the atom undergoes relaxation from the first excited state to the ground state.
Selected Answer: a. 9.1 x 10-8 m
Correct Answer: d. 1.22 x 10-7 m

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