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Cambridge IGCSE Physics (0625)

1. Motion, forces and energy

2. Thermal physics

3.1 General properties of waves

3.2.1 Reflection of light

3.2.2 Refraction of light

3.2.3 Thin lenses

3.2.4 Dispersion of light

3.3 Electromagnetic spectrum

3.4.1—Production of sound by vibrating

3.4.2—Longitudinal nature of sound waves

3.4.3—Approximate range of frequencies

3.4.4—A medium is needed to transmit sound

3.4.5—Speed of sound in air is approximately

3.4.6—Method involving a measurement of

3.4.7—Changes in amplitude and frequency

3.4.8—An echo as the reflection of sound

3.4.9—Ultrasound as sound with a frequency

3.4.10—Compression and rarefaction

3.4.11—That, in general, sound travels faster

3.4.12—Uses of ultrasound in non- destructive

4. Electricity and magnetism

5. Nuclear physics

6. Space physics

7. Assessed scientific skills

IGCSE/CAIE/Physics//Concept/3. Waves/3.4 Sound/3.4.11—That, in general, sound travels faster

3. Waves

Syllabus: 0625–2026–2027
Section: 3
Level: —

Exam analysis

Most tested topics

General properties of waves
Reflection of light
Refraction of light
Thin lenses
Dispersion of light
Electromagnetic spectrum
Sound