Physics A-Level
Polaroid material
What Polaroid material means in Physics A-Level, as defined for AQA.
Definition of Polaroid material
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Reference: AQA
Contains long-chain molecules that transmit light oscillations parallel to one axis while absorbing components in other planes, so unpolarised light becomes plane-polarised and appears dimmer.
Topics that use Polaroid material
- Longitudinal and transverse waves (AQA A-Level)
Related terms
- Classification of waves
- Compressions and rarefactions
- Evidence for transverse nature
- Longitudinal
- Longitudinal wave
- Polarisation
- Polarising filter
- Polaroid sunglasses
Using Polaroid material in the exam
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