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Pearson Edexcel International GCSE Physics (4PH1)

1 Forces and motion

(b) Properties of waves

(c) The electromagnetic spectrum

(d) Light and sound

3.14 Light waves

3.15 Law of reflection

3.16 Ray diagrams

3.17 Refraction practical

3.18 Refractive index equation

3.19 Glass refractive index practical

3.20 Total internal reflection

3.21 Critical angle

3.22 Critical angle equation

3.23 Sound waves

3.24P Human hearing range

3.25P Speed of sound practical

3.26P Oscilloscope and microphone

3.27P Sound frequency practical

3.28P Pitch and frequency

3.29P Loudness and amplitude

4 Energy resources and energy transfers

5 Solids, liquids and gases

6 Magnetism and electromagnetism

7 Radioactivity and particles

9 Experimental skills

10 Mathematical skills

11 Electrical circuit symbols

IGCSE/Edexcel/Physics//Concept/3 Waves/(d) Light and sound/3.23 Sound waves

3 Waves

Syllabus: 2024
Section: 3
Level: —

Exam analysis

Most tested topics

Waves units
(b) Properties of waves
(c) The electromagnetic spectrum
(d) Light and sound