IB Physics SL E.1.4 Atomic transitions Question Bank
Practise IB Physics SL/HL E.1.4 by applying atomic transitions concepts to exam-style physics questions.
- Syllabus
- First assessment 2025
- Course
- Physics SL
- Level
- SL
Exam points
- identify the relevant physical quantity, model or diagram
- apply the correct equation and units to the evidence
- justify the result using conservation laws, fields or energy relationships
E.1.4—Atomic transitions question 1
This question is about energy level transitions.
Some of the electron energy levels for a hydrogen atom are shown.
Question (a)
(a)
A hydrogen atom is excited to the -1.51 eV level.
[ 1 ]
Question (i)
(i)
On the diagram, label using arrows all the possible transitions that might occur as the hydrogen atom returns to the ground state.
[ 1 ]
Question (b)
(b)
Monochromatic radiation is incident on gaseous hydrogen. All the hydrogen atoms are in the ground state. Describe what could happen to the radiation and to the hydrogen atoms if the incident photon energy is equal to
[ 3 ]
Question (i)
(i)
10.2 eV .
[ 2 ]
Question (ii)
(ii)
9.0 eV .
[ 1 ]
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