Past paper questions, key definitions, and mark schemes — all files verified from our archive.
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📝 Key Concepts & Definitions
- Waves transfer energy without transferring matter
- Transverse waves: oscillations perpendicular to wave direction
- Longitudinal waves: oscillations parallel to wave direction
- Amplitude: maximum displacement from equilibrium
- Wavelength: distance between two consecutive identical points
- Frequency: number of complete waves per second (Hz)
- Wave speed = frequency × wavelength (v = fλ)
- Reflection: wave bounces off a surface (angle i = angle r)
+ more definitions available in the full revision notes
🃏 Key Formulas & Equations
Wave speed = frequency × wavelength (v = fλ)
Reflection: wave bounces off a surface (angle i = angle r)
Refractive index: n = sin i / sin r = c / v
Critical angle: sin c = 1/n
❓ Questions by Topic
✅ 41 verified PDF links — all files confirmed on server
📅 2022-2024 papers (11 available)
- 📄 2022 Jun – P11 (QP P11)📝 MS
- 📄 2022 Jun – P12 (QP P12)📝 MS
- 📄 2022 Jun – P13 (QP P13)📝 MS
- 📄 2022 Jun – P21 (QP P21)📝 MS
- 📄 2022 Jun – P22 (QP P22)📝 MS
- 📄 2022 Mar – P22 (QP P22)📝 MS
- 📄 2022 Jun – P23 (QP P23)📝 MS
- 📄 2022 Mar – P32 (QP P32)📝 MS
- 📄 2022 Jun – P32 (QP P32)📝 MS
- 📄 2022 Jun – P33 (QP P33)📝 MS
- 📄 2022 Jun – P53 (QP P53)📝 MS
📅 2018-2021 papers (43 available)
- 📄 2018 Nov – P11 (QP P11)📝 MS
- 📄 2020 Jun – P11 (QP P11)📝 MS
- 📄 2020 Nov – P11 (QP P11)📝 MS
- 📄 2019 Nov – P12 (QP P12)📝 MS
- 📄 2020 Mar – P12 (QP P12)📝 MS
- 📄 2020 Jun – P12 (QP P12)📝 MS
- 📄 2018 Mar – P12 (QP P12)📝 MS
- 📄 2019 Nov – P13 (QP P13)📝 MS
- 📄 2018 Nov – P13 (QP P13)📝 MS
- 📄 2021 Jun – P13 (QP P13)📝 MS
- 📄 2019 Jun – P13 (QP P13)📝 MS
- 📄 2021 Nov – P21 (QP P21)📝 MS
- 📄 2020 Jun – P21 (QP P21)📝 MS
- 📄 2018 Jun – P21 (QP P21)📝 MS
- 📄 2018 Nov – P21 (QP P21)📝 MS
- 📄 2021 Jun – P21 (QP P21)📝 MS
- 📄 2020 Nov – P21 (QP P21)📝 MS
- 📄 2020 Nov – P22 (QP P22)📝 MS
- 📄 2018 Jun – P22 (QP P22)📝 MS
- 📄 2021 Jun – P22 (QP P22)📝 MS
- 📄 2019 Mar – P22 (QP P22)📝 MS
- 📄 2020 Mar – P22 (QP P22)📝 MS
- 📄 2020 Jun – P22 (QP P22)📝 MS
- 📄 2021 Jun – P23 (QP P23)📝 MS
- 📄 2020 Nov – P23 (QP P23)📝 MS
- 📄 2019 Jun – P23 (QP P23)📝 MS
- 📄 2019 Nov – P23 (QP P23)📝 MS
- 📄 2021 Nov – P23 (QP P23)📝 MS
- 📄 2018 Jun – P23 (QP P23)📝 MS
- 📄 2020 Jun – P23 (QP P23)📝 MS
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