Summary

• Description:

  The PDF document comprises Navakholo Joint Evaluation Test 1 Physics Paper 2 March/April 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Physics Paper 2 examination. This paper tests Form 4 candidates on optics, waves, electricity, electrostatics, and electromagnetic induction — covering both theoretical principles and quantitative problem-solving drawn from the secondary Physics syllabus.

  • Month Administered: March/April 2026
  • Duration: 2 hours
  • Total Marks: 80
  • Number of Questions: 16 (Questions 1–11 in Section A; Questions 12–16 in Section B)
  • Structure:
    • Section A – 25 marks (Questions 1–11, short-answer questions)
    • Section B – 55 marks (Questions 12–16, structured long-answer questions)

  It covers the following topics:

  • Section A:
    • Optics — ray diagrams for image formation (plane mirror)
    • Electrostatics — charging by friction, electroscope leaf behaviour, and explanation
    • Electric circuits — comparison of series and parallel circuits, bulb brightness
    • Sound — factors affecting speed of sound in air
    • Simple chemical cell — defects (polarisation and local action)
    • Concave mirror — ray diagram for image location
    • Electromagnetism — suitable core material for an electromagnet; strengthening an electromagnet
    • Refraction — refractive index of Perspex from a ray diagram
    • Electromagnetic spectrum — arranging waves in order of increasing wavelength
    • Batteries — advantages of alkaline over lead-acid batteries
    • Electric power — calculating resistance from power and voltage ratings
  • Section B:
    • Lenses — focal length determination experiment, diverging lens limitations, focal length from 1/u vs 1/v graph, and magnification calculation
    • Electricity — Ohm's Law, experimental verification, series-parallel circuit calculations (total resistance, total current, and branch current)
    • Waves — displacement-time graph analysis (amplitude, period, frequency, wavelength), echo minimum distance, and wave refraction from deep to shallow water
    • Total internal reflection — conditions, ray paths through a prism, real and apparent depth, and refraction in water (coin visibility)
    • Capacitors — factors affecting capacitance, effective capacitance in combination, energy stored, lightning protection, transformer efficiency, transmission current, and power loss
• Length:

  12 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  PHYSICS
• Posted By:

  Caleb_Peter

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