An electron in hydrogen atom is in the n=4 energy level. When it makes a transition to some lower energy level, to which series the wavelength of emitted photon belong?
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When transition is form n=4 to n=1, wavelength of photon emitted belongs to Lyman series. When transition is form n=4 to n=2, wavelength of photon emitted belongs to Balmer series. And when transition is form n=4 to n=3, wavelength of photon emitted belongs to Paschen series.
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