Edexcel IAL Physics Unit 2 Jan 2026 WPH12 Full Paper Walkthrough & Exam Tips

In this Edexcel IAL Physics Unit 2 (WPH12) Jan 2026 Full Paper Walkthrough, I provide a comprehensive guide to mastering the most recent exam. To help you truly conceptualize complex physics concepts, I’ve integrated exclusive 3D visual aids and animations throughout the video solutions.

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Timestamps
Section A: Multiple Choice Questions

0:58 Question 1: Diode Characteristic Graphs

2:00 Question 2: Charge & Unit Conversions (Q=It)

3:50 Question 3: Hydrogen Energy Levels & Photon Emission

5:21 Question 4: LDR Circuit & Potential Difference

7:38 Question 5: Phase Difference vs. Path Difference

9:41 Question 6: Speed of Transverse Waves Formula

11:07 Question 7: Photon Frequency & Wavelength Relationship

11:48 Question 8: Potential Divider & Wire Length

12:44 Question 9: Total Internal Reflection & Critical Angle

15:40 Question 10: Longitudinal Waves (Rarefactions & Pressure)

Section B: Structured Questions

17:21 Question 11: Electron Drift Velocity (I=nAvq)

18:59 Question 12: Resistance & Lattice Ion Vibrations

21:03 Question 13: EMF & Internal Resistance Analysis

25:19 Question 14: De Broglie Wavelength & Kinetic Energy

29:44 Question 15: Resistivity & Parallel Heating Strips

37:12 Question 16: Power Dissipation in Potential Dividers

41:58 Question 17: Diffraction Grating (Lines per mm)

46:16 Question 18: Stationary Waves & Radio Wave Polarization

51:08 Question 19: Ultrasound Pulse-Echo Technique

54:07 Question 20: Refractive Index & Glycerol Concentration

1:01:15 Question 21: CCD Pixels & Quantum Yield (Rare Equations)

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