Optics and Fibre Optics
Physics · Year 12 · Waves · 3.º Período

Optics and Fibre Optics

Exploring Snell's law, total internal reflection, and the application of step-index optical fibres in modern communications.

National Curriculum Attainment TargetsAQA 3.3.2.3 Refraction at a plane surfaceOCR Module 4.4.4 Refraction and total internal reflection

About This Topic

Exploring Snell's law, total internal reflection, and the application of step-index optical fibres in modern communications.

Key Questions

  1. How do we calculate the refractive index of a material?
  2. What is the critical angle and when does total internal reflection occur?
  3. How is signal degradation minimised in optical fibres?

Planning templates for Physics

Lesson Plan

Science

A science-specific template built around the scientific method, with sections for phenomena, investigation, data analysis, and claims-evidence-reasoning (CER) writing.

More in Waves

Progressive and Stationary Waves

Analysing the properties of longitudinal and transverse waves, and the formation of stationary waves on strings and in pipes.

2 methodologies

Refraction, Diffraction and Interference

Investigating the superposition of waves, Young's double-slit experiment, and the diffraction of light through single slits and gratings.

2 methodologies