Plane Polarisation Flashcards
1
Q
Unpolarised Light
A
Oscillations occur in all directions perpendicular to the direction of wave motion
2
Q
Polairsed Light
A
Oscillations occur in one plane only, perpendicular to the direction of wave motion
3
Q
Cross Polarised Light
A
When the second filter is at 90 to the first, so no light gets through
4
Q
Uses of polarisation
A
Sunglasses
Modelling buildings for stress
3D movies
Measuring sugar content