IB Physics HL A 5 5 Hl Two Postulates of Special Relativity Topic Practice

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Study A.5.5 (HL)—Two postulates of special relativity conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

[Maximum number: 3]

This question is about the Michelson-Morley experiment.

The diagram shows the basic features of the Michelson-Morley experiment.

Figure for Question 1 — IB Physics HL

Question (a)

(a)

Describe how the observations made by Michelson and Morley differed from what was expected.

[ 1 ]

Question (b)

(b)

Explain the importance of the outcome of the Michelson-Morley experiment in support of the special theory of relativity.

[ 2 ]
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