Summary

• Description:

  The MS Word document comprises LENANA SCHOOL NAIROBI INTERNAL EXAMS Physics Paper 1 2026 Mock Exam with Answers (Marking Scheme). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Physics Paper 1 examination.

  This assessment examines fundamental mechanics, thermodynamics, fluid dynamics, and properties of matter. It tests skills in measurement accuracy, kinematic motion analysis, Archimedes' principle, circular motion, gas laws, and heat exchange calculations.

  • Total Marks: 80
  • Number of Questions: 18 (Questions 1-18)
  • Structure: Section A (25 marks, questions 1-13) and Section B (55 marks, questions 14-18).

  It covers the following topics:

  • Section A:
    • Measurement and errors: Metre rule reading, micrometer screw gauge with zero error, and density bottle determinations
    • Force and moments: Principle of moments on balanced rods and pressure exerted by sharp heels
    • Kinetic theory of matter: Molecular states of matter and atmospheric pressure variations on rising balloons
    • Fluid flow: Continuity and Bernoulli's effect in constricted tubes, and thermal convection in water tubes
  • Section B:
    • Linear motion: Ticker-timer tape analysis, velocity, and acceleration calculations
    • Upthrust and flotation: Law of flotation, Archimedes' principle on submerged blocks, and string tensions
    • Circular motion: Centripetal force, purpose of banking road bends, and vertical stone whirl tension
    • Gas laws: Graphical analysis of the pressure-temperature law, absolute zero concept, and combined gas equations
    • Thermal physics: Evaporation versus boiling, vacuum flask heat preservation, and mixture method latent heat calculations
• File Size:

  100.90 KB
• Length:

  13 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Physics
• Posted By:

  Caleb_Peter

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