Summary

• Description:

  The MS Word document comprises Mumias West Sub-County Joint Evaluation Physics Paper 2 May 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 candidates' understanding of electricity, magnetism, electrostatics, optics, and waves through short-answer and structured calculation questions, requiring both conceptual explanation and quantitative problem-solving.

  • Month Administered: May 2026
  • Duration: 2 hours
  • Total Marks: 80
  • Number of Questions: 19 (Questions 1–14 in Section A; Questions 15–19 in Section B)
  • Structure: Section A (Questions 1–14, 25 marks) — answer all; Section B (Questions 15–19, 55 marks) — answer all; calculators permitted

  It covers the following topics:

  • Section A
    • Electromagnetism — soft iron vs. steel as electromagnet core
    • Magnetic induction — pins hanging from a magnet
    • Pin-hole camera — effect of enlarging the pin-hole on image quality
    • Electromagnetic spectrum — identifying radiation types and their detectors
    • Electrostatics — gold leaf electroscope behaviour with a charged rod
    • Sound transmission — speed in solid vs. liquid
    • X-ray tube — effect of increasing Extra High Tension (EHT) on X-rays produced
    • Accumulator charging — indicators that an accumulator needs charging
    • Power transmission — methods of reducing energy loss in cables
    • Light interference — double slit experiment (function of double slit, observations on screen)
    • Capacitors — calculation of effective capacitance in a circuit
    • Force on a current-carrying conductor — direction of force, conditions for maximum force
    • Convex mirror — advantages and disadvantages as a driving mirror
    • Fuse rating — meaning of 10A and effect of 12A current
  • Section B
    • Total internal reflection — ray path through a glass prism (critical angle 39°)
    • Optical fibre — ray path, principle of total internal reflection, advantages
    • Wave properties — longitudinal vs. transverse waves; sound vs. electromagnetic wave transmission; frequency and wavelength calculation from a wave profile
    • Echoes — speed of sound calculation and distance between cliffs using echo timing data
• Length:

  13 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  PHYSICS
• Posted By:

  Caleb_Peter

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