IB Physics HL A.5.5 Two postulates of special relativity Question Bank
Practise IB Physics HL A.5.5 by applying two postulates of special relativity concepts to exam-style physics questions.
- Syllabus
- First assessment 2025
- Course
- Physics HL
- Level
- HL
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, forces or energy relationships
A.5.5 (HL)—Two postulates of special relativity question 1
This question is about the Michelson-Morley experiment.
The diagram shows the basic features of the Michelson-Morley experiment.
Question (a)
(a)
Describe how the observations made by Michelson and Morley differed from what was expected.
[ 1 ]
Question (b)
(b)
c) Explain the importance of the outcome of the Michelson-Morley experiment in support of the special theory of relativity.
[ 2 ]
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