Summary

• Description:

  The PDF document comprises Bungoma South Cluster Physics Paper 2 2026 Pre-Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a KCSE Form 4 Physics Paper 2 examination.

  This examination tests candidates across geometrical and wave optics, electrostatics, current electricity, electromagnetism, modern physics, and atomic physics. It provides thorough revision in circuit analysis, wave behavior, and quantum electronics.

  • Month Administered: July 2026
  • Duration: 2½ Hours
  • Total Marks: 80 Marks
  • Number of Questions: 18 Questions
  • Structure: Section A (25 marks, short structured questions 1–13) and Section B (55 marks, extended structured questions 14–18).

  It covers the following topics:

  • Section A:
    • Reflection at inclined plane mirrors and angle of reflection determinations
    • Electrostatics: functions and applications of the gold-leaf electroscope
    • Curved mirrors: ray diagrams and image location in concave mirrors
    • Current electricity: series and parallel circuit bulb brightness
    • Sound waves: echo reflections and distance calculations between barriers
    • Electromagnetic spectrum: ordering and identification of wave bands
    • Thin lenses: linear magnification and object distance calculations for convex lenses
    • Magnetic effect of an electric current: right-hand grip rule and field patterns
    • Mains electricity: ring main circuit wiring and color coding of live, neutral, and earth wires
    • Electromagnetic induction: Faraday's and Lenz's laws on moving magnets in solenoids
    • Refraction of light: apparent bending of objects in liquids
    • Electrostatics: point action discharge on candle flames
    • Magnetism: properties distinguishing hard and soft magnetic materials
  • Section B:
    • Photoelectric effect: definition, electroscope discharge experiments, photon energy calculations, work function, and maximum velocity of photoelectrons
    • Current electricity: Ohm's law, equivalent resistance in complex series-parallel networks, potential divider circuits, and voltmeter/ammeter readings
    • Wave motion: differences between transverse and longitudinal waves, wave frequency, wavelength, interference patterns with audio generators, and wave reflection on curved surfaces
    • Electronics: semiconductor doping, intrinsic vs extrinsic semiconductors, p-n junction diodes, half-wave rectification, and CRO trace analysis
    • Radioactivity: Geiger-Müller (GM) tube structure, gas ionization mechanism, and radiation detection
    • Cathode ray and X-ray tubes: thermionic emission, modifications for X-ray production, extra high tension (EHT) effects, shortest wavelength calculations, and industrial/medical applications
• Length:

  12 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  PHYSICS
• Posted By:

  Caleb_Peter

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