Summary

• Description:

  The MS Word document comprises KCSE 2026 Physics Paper 3 Prediction Paper with Answers (Set 2). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Physics Paper 3 prediction examination designed to prepare candidates for the national assessment.

  This practical examination tests experimental precision, manual dexterous setup, data tabulation, graphical analysis, and scientific deduction across mechanics, electricity, and light refraction.

  • Duration: 2 Hours 30 Minutes
  • Total Marks: 40
  • Number of Questions: 2 (Questions 1 and 2, 20 Marks Each)
  • Structure: Question 1 (Part A: Principle of Moments; Part B: Non-Ohmic Conductor Circuit) and Question 2 (Part A: Refraction in Glass Blocks; Part B: Parallel Forces and Moments on a Suspended Rule)

  It covers the following topics:

  • Question 1
    • Part A: Equilibrium and Moments of a Force — Determination of Metre Rule Centre of Gravity, Balancing Counterweights, and Calculating System Constants
    • Part B: Current Electricity — Setting Up Potentiometer Circuits Using Nichrome Wire, Recording Potential Difference ($V$) and Current ($I$) Across a Bulb, Plotting Non-Ohmic $I-V$ Characteristic Curves, Slope Determinations, and Assessing Conductor Resistance Variations
  • Question 2
    • Part A: Refraction of Light — Pin Tracing Method Through a Semicircular Glass Block, Measuring Angles of Incidence and Refraction, Snell's Law Calculations, and Determining the Refractive Index of Glass
    • Part B: Parallel Forces and Elasticity — Suspending Uniform Metre Rules on Spring Balances, Measuring Tension ($T$) at Variable Distance Intervals, Recording Reciprocal Lengths ($1/X$), Plotting Linearized Graphs, Evaluating Gradients, and Deducing Weight Constants
• File Size:

  481.65 KB
• Length:

  8 pages
• Category:

  KCSE Prediction Papers
• Level:

  Form 4
• Subject:

  Physics
• Posted By:

  Caleb_Peter

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