Which of the following transitions (in a hydrogen atom)represent emission of the longest wavelength photon?
A) n = 1 to n = 3
B) n = 3 to n = 1
C) n = 3 to n = 5
D) n = 4 to n = 2
E) n = 5 to n = 4

Question

Quizplus · Accepted Answer

The longest wavelength corresponds to the smallest energy difference. Transition from n = 5 to n = 4 has the smallest energy difference among the given options.

Which of the Following Transitions (In a Hydrogen Atom)represent Emission