Edexcel International GCSE (9–1) Physics (Modular) 4XPH1 · 5.20
Total internal reflection in optical fibres and prisms
- Code
- 5.20
- In
- 5d Light and sound
- Topic
- 5 Waves
- Course
- International GCSE (9–1) Physics (Modular) 4XPH1
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points in 5d Light and sound
- 5.14 Light as a transverse wave
- 5.15 Law of reflection
- 5.16 Ray diagrams for reflection and refraction
- 5.17 Practical: refraction of light through blocks and prisms
- 5.18 Refractive index and Snell's law
- 5.19 Practical: refractive index of glass
- 5.20 Total internal reflection in optical fibres and prisms
- 5.21 Critical angle
- 5.22 Critical angle and refractive index
- 5.23 Sound as a longitudinal wave
- 5.24P Frequency range of human hearing
- 5.25P Practical: speed of sound in air
- 5.26P Displaying sound waves with an oscilloscope
- 5.27P Practical: frequency of sound with an oscilloscope
- 5.28P Pitch and frequency
- 5.29P Loudness and amplitude