IB Physics SL E 1 5 Photon Energy Questions
Calculate SL photon energy, frequency and wavelength from spectra and energy-level transitions, selecting the correct relationship and units.
- Syllabus
- First assessment 2025
- Course
- Physics SL
- Level
- SL
Exam points
- Calculate photon energy, frequency and wavelength for atomic transitions.
- Determine the largest or smallest photon wavelengths and frequencies from energy-level diagrams.
- Relate hydrogen energy-level differences to emitted or absorbed photon radiation.
IB Physics SL E 1 5 Photon Energy Questions question 1
This question is about energy level transitions.
Some of the electron energy levels for a hydrogen atom are shown.
A hydrogen atom is excited to the -1.51 eV level.
State the energy in eV of the maximum wavelength photon emitted as the hydrogen atom returns to the ground state.
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