Aground state hydrogen atom absorbs a photon of wavelength 94.98 nm and its electron attains a higher energy level. the atom then emits two photons: one of wavelength 1282.2 nm to reach an intermediate level and a second to return to the ground state. what was the wavelength of the second photon emitted?
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Aground state hydrogen atom absorbs a photon of wavelength 94.98 nm and its electron attains a highe...
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