In making a transition from state n = 1 to state n = 2, the hydrogen atom must
A. absorb a photon of energy 10.2 eV.
B. emit a photon of energy 10.2 eV.
C. absorb a photon of energy 13.58 eV.
D. emit a photon of energy 13.58 eV.
Answer:A
In making a transition from state n = 1 to state n = 2, the hydrogen atom must
A. absorb a photon of energy 10.2 eV. B. emit a photon of energy 10.2 eV. C. absorb a photon of energy 13.58 eV. D. emit a photon of energy 13.58 eV.