A hydrogen atom emits a photon of energy 34 ev if the atom
A hydrogen atom emits a photon of energy 3.4 eV. If the atom is at rest before emitting the photon, what is the speed of the atom after emission?
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a certain atom of has 73 protons assume that the nucleus is a sphere with radius 654 fm and with the charge of the
a hydrogen atom emits a photon of energy 34 ev if the atom is at rest before emitting the photon what is the speed of
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