Summary

• Description:

  The PDF document comprises SUKELLEMO JOINT PREMOCK 1 Physics Paper 2 2024 Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a KCSE Physics 232/2 examination.

  This paper provides an in-depth evaluation of wave motion, geometric optics, electromagnetism, electronics, atomic physics, and radioactivity. It tests higher-order thinking through graphical analysis, ray tracing, circuit schematics, and theoretical deduction aligned with the national KCSE Physics syllabus.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 17 (Questions 1 - 17)
  • Structure: The paper consists of two sections: Section A (25 marks) featuring short structured questions 1 to 11, and Section B (55 marks) containing comprehensive multi-part questions 12 to 17.

  It covers the following topics:

  • Section A:
    • Reflection of light by plane mirrors and image displacement
    • Basic properties of magnets and magnetic fields
    • Refraction of light and Snell's law at water-glass interfaces
    • Electrostatics: charge sharing and gold-leaf electroscope behavior
    • Motor effect, magnetic field patterns around conductors, and Fleming's left-hand rule
    • Semiconductor diodes and forward-bias circuit connections
    • Radioactivity: beta decay nuclear equations and nucleon conservation
    • Production and control of soft versus hard X-rays
    • Cathode Ray Oscilloscope (CRO): time-base calibration, frequency, and peak voltage determination
    • Electromagnetic spectrum: radiation bands, order, and practical applications
    • Power transmission: high-voltage grid transmission rationale
  • Section B:
    • Wave mechanics: wave equation, speed of sound factors, stationary vs. progressive waves, and echo reflection
    • Cathode Ray Tube (CRT): structure, thermionic emission vs. photoelectric effect, and deflection systems
    • Thin lenses: graphical analysis of magnification versus image distance, focal length, power, and real image formation
    • Photoelectric effect: threshold frequency, Planck's constant, and work function determination from stopping potential graphs
    • Domestic electricity: three-pin plug wiring, electrical energy consumption costs, and step-down mains transformers
    • Nuclear physics and radiation detection: background radiation, diffusion cloud chamber operation, and comparison with electroscopes
• File Size:

  741.06 KB
• Length:

  13 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Physics
• Posted By:

  Caleb_Peter

Enter your details below to initiate a payment using MPESA.