Physics A-Level
Interferometer
What Interferometer means in Physics A-Level, as defined for AQA.
Definition of Interferometer
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Reference: AQA
Apparatus that splits a light beam into two perpendicular arms and recombines the beams to form fringes, comparing light travel times.
Topics that use Interferometer
- The Michelson-Morley experiment (A-level only) (AQA A-Level)
Related terms
- absolute motion
- Classical Galilean velocity addition
- Interference fringes
- Invariance of the speed of light
- Michelson-Morley experiment
- null result
- Part-silvered mirror
- Phase difference
Using Interferometer in the exam
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