 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2022/ib/paper-4/4b/c/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

l + 2

and the lower one

l + 1

. Energy conservation for the emitted photon gives

ν = \frac{m e ^{4}}{2 h ( 4 π ε _{0} ) ^{2} ℏ ^{2}} (\frac{1}{( l + 1 ) ^{2}} - \frac{1}{( l + 2 ) ^{2}}) .

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