Question

Compared with an electron transition from the first excited state to the ground state, a transition from the third excited state to the second excited state emits a photon of

a. greater energy.
b. lower energy.
c. identical energy.

Answer 1

b. lower energy

Compared with an electron transition from the first excited state to the ground state, a transition from the third excited state to the second excited state emits a photon of lower energy.