Polarisation of Waves - A Level Physics

In the video I explain the polarisation of waves (including the polarisation of light) for A Level Physics.

Only transverse waves can be polarised, this video explains why. It also shows why sunglasses are known as 'polaroids' and how you can test this yourself on a sunny day.

Update - Please note that the reflected light waves from water are actually horizontally polarised:
https://sureshemre.wordpress.com/2014...
https://www.osapublishing.org/DirectP...

Thanks for watching,

Lewis

This video is recommended for anyone studying A Level Physics in the following exam boards:
AQA
CIE
Edexcel
Edexcel IAL
Eduqas
IB
OCR A
OCR B
WJEC

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