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1. The size of an atom is approximately 10-8 cm. To locate an electron within the atom, one should use electromagnetic radiation of wavelength not longer than 10-9 cm. What is the energy of the photon with such a wavelength (in cV)?

2. Using the Rydberg formula, calculate the wavelenbith and energy of the photons emitted m the Lymann series for electrons originally in the orbits n=2, 3, and 4. Express your results in cm, eV, and J. In which region of the electromagnetic spectrum are these emissions?

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