Polaroid Filters are supplied in pairs. The thickness of the Polaroid film is 0.18mm.
NSW Physics Syllabus Reference
Module 7: The Nature of Light
Light Wave Model
- Conduct investigations quantitatively using the relationship of Malus’ Law 𝐼 = 𝐼max𝑐𝑜𝑠^2𝜃 for plane polarisation of light, to evaluate the significance of polarisation in developing a model for light