Summary

• Description:

  The PDF document comprises Alliance Boys High School Physics Paper 3 2024 Mock Exam with Answers (Marking Scheme). The marking scheme is towards the end of the document.

  It is a KCSE Physics Paper 3 (232/3) Practical mock examination.

  • Duration: 2½ Hours
  • Total Marks: 40
  • Number of Questions: 2 practical questions (All compulsory)

  It covered the following topics:

  • Determination of the centre of gravity of a metre rule using the principle of moments
  • Balancing a metre rule with an attached mass and calculation of proportional relationships
  • Graphical analysis and use of experimental data to determine unknown quantities
  • Refraction of light through a triangular glass prism
  • Measurement of refracting angle and angles of incidence, deviation, and emergence
  • Ray tracing using optical pins and construction of ray diagrams
  • Plotting and interpretation of graphs to determine relationships between optical angles
  • Determination of refractive index using graphical methods
  • Measurement of wire diameter using a micrometer screw gauge
  • Determination of cross-sectional area of a resistance wire
  • Electrical circuit setup using a cell, voltmeter, ammeter, and resistance wire
  • Measurement of potential difference and current for different wire lengths
  • Calculation of resistance using Ohm’s law
  • Plotting a graph of resistance against length and determination of the slope
  • Determination of the resistivity of a wire from experimental data
  • General laboratory skills including accurate observation, tabulation, graph plotting, and interpretation of results
• File Size:

  3.29 MB
• Length:

  6 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  PHYSICS
• Posted By:

  Caleb_Peter

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