Summary

• Description:

  The PDF document comprises ACK Diocese of Mumias Joint Mock Physics Paper 2 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was an ACK Diocese of Mumias Joint Evaluation Physics Paper 2 examination designed to evaluate Form 4 KCSE candidates on electricity, magnetism, waves, geometrical optics, atomic physics, and modern physics. Practicing this test paper helps candidates strengthen their problem-solving skills and provides an excellent resource for boosting SERP visibility and academic preparation.

  Month Administered: July 2026
  Duration: 2 Hours
  Total Marks: 80 Marks
  Number of Questions: 18 Questions
  Structure: Section A (25 marks), Section B (55 marks)

  It covers the following topics:

  Section A (25 Marks)

  • Simple cells: polarization defect and minimization using depolarizers

  • Sound waves: reverberation control and acoustic padding in recording studios

  • Electromagnetism: magnetic forces between solenoids and permanent bar magnets

  • Refraction of light: real depth, apparent depth, and refractive index calculations

  • Electromagnetic spectrum: radio waves and microwaves in hilly communication and infrared radiation in night photography

  • Magnetization methods: domain theory explanation of hammering

  • Pinhole cameras: magnification conditions for equal object and image size

  • Electrostatics: charge redistribution and leaf divergence in electroscopes

  • Vision defects: ray diagrams for short-sightedness (myopia) and long-sightedness (hypermetropia)

  • Cathode Ray Oscilloscope (CRO): peak voltage determination from Y-gain sensitivity and trace signals

  • Electromagnetic induction: factors affecting induced electromotive force (e.m.f.)

  • Wave parameters: definition of wavelength in longitudinal waves

  • Current electricity: effective resistance and current calculations in series-parallel resistor networks

  Section B (55 Marks)

  • Photoelectric Effect and X-rays: Radiation intensity versus photoelectron emission, stopping potential (Vs) versus frequency (f) graphs, Planck's constant (h) determination, work function (W0) in eV, X-ray production mechanisms, cooling oil mechanisms, lead shielding (R), and X-ray intensity and quality control

  • Wave Motion and Interference: Young's double-slit experiment, coherent light sources, interference fringe observations, effects of changing slit separation and using white light, wave diffraction through narrow and wide gaps, and comparison of stationary and progressive waves

  • Electrostatics II and Capacitors: Capacitor charging circuits, milliammeter deflection behavior, potential difference across resistors and capacitors at steady state, V-t graph plotting, series-parallel capacitor combinations, effective capacitance, and charge calculations (Q = CV)

  • Mains Electricity and Power Transmission: Advantages of high-voltage long-distance grid transmission, aluminum versus copper transmission cables, advantages of alternating current, circuit breakers versus fuses, three-pin plug wiring color codes, electrical energy consumption (kWh) calculations, electricity cost determination, and fuse rating selection

  • Geometrical Optics and Electromagnetic Induction: Ray diagrams and image characteristics in convex mirrors, wide field-of-view driving mirrors, Lenz's Law of electromagnetic induction, mutual induction between adjacent coils, and galvanometer deflection behavior upon circuit switching

• File Size:

  299.50 KB
• Length:

  13 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  PHYSICS
• Posted By:

  Caleb_Peter

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