Wave polarisation Chapter 4 Flashcards
1
Q
What does unpolarised mean in wave?
A
The wave oscillates in different directions.
2
Q
What does polarised mean in wave?
A
The wave oscillates in one direction.
3
Q
What type of wave can be polarised?
A
Transverse
4
Q
Plane polarisation definition.
A
A transverse wave that oscillates in one direction to a single plane
5
Q
State malus’ law
A
If a beam of plane polarized light is shone through a polarizer its intensity can be calculated
6
Q
What is malus’ equation.
A
Intensity = initial intensity x cos^2o