Summary

• Description:

  The PDF document comprises Catholic Diocese of Kakamega Evaluation Test Physics Paper 1 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Physics Paper 1 examination.

  This comprehensive mechanics and thermodynamics past paper assesses precision measurement, particulate nature of matter, fluid pressure, thermal dynamics, machines, linear motion, and circular kinematics.

  • Month Administered: July/August 2026
  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 16 (Questions 1 - 16)
  • Structure: Section A (25 marks, questions 1-11 compulsory), Section B (55 marks, questions 12-16 compulsory)

  It covers the following topics:

  • Section A:
    • Measurement: vernier caliper readings with zero errors
    • Surface tension and cohesive vs. adhesive forces on greasy surfaces
    • Diffusion in fluids and kinetic theory of matter
    • Hooke's law: parallel springs and spring constants
    • Molecular dimensions: oil drop experiment calculations and assumptions
    • Equilibrium and center of gravity of loaded objects
    • Fluid dynamics: Bernoulli's principle in variable cross-section pipes
    • Compression of helical springs and coil contact limits
    • Heat transfer: mixtures method and latent heat of vaporization
    • Atmospheric pressure: crushing can experiment
    • Moments of forces: principle of moments and meter rule balance
  • Section B:
    • Gas laws: Pressure law verification, combined gas equation, and Boyle's law tube inversion
    • Archimedes' principle: upthrust, submerged bodies, and relative density calculations
    • Simple machines: velocity ratio and mechanical advantage in inclined planes and pulley systems
    • Energy transformations in falling bodies
    • Linear kinematics: vertical projection graphs, maximum height, and momentum changes
    • Uniform circular motion: centripetal acceleration, vertical circular paths, angular velocity, and string tension
• File Size:

  4.94 MB
• Length:

  12 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Physics
• Posted By:

  Caleb_Peter

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