Edexcel International GCSE (9–1) Physics 4PH1 · 3.18
Refractive index and Snell's law
- Code
- 3.18
- In
- 3d Light and sound
- Topic
- 3 Waves
- Course
- International GCSE (9–1) Physics 4PH1
- 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 3d Light and sound
- 3.14 Light as a transverse wave
- 3.15 Law of reflection
- 3.16 Ray diagrams for reflection and refraction
- 3.17 Practical: refraction of light through blocks and prisms
- 3.18 Refractive index and Snell's law
- 3.19 Practical: refractive index of glass
- 3.20 Total internal reflection in optical fibres and prisms
- 3.21 Critical angle
- 3.22 Critical angle and refractive index
- 3.23 Sound as a longitudinal wave
- 3.24P Frequency range of human hearing
- 3.25P Practical: speed of sound in air
- 3.26P Displaying sound waves with an oscilloscope
- 3.27P Practical: frequency of sound with an oscilloscope
- 3.28P Pitch and frequency
- 3.29P Loudness and amplitude