Summary

• Description:

  The MS Word document comprises MURANG'A EAST JOINT 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 232/1 examination.

  This paper tests core physical concepts encompassing laboratory safety, thermal physics, kinematics, fluid dynamics, elasticity, flotation, thermodynamics, and Newton's laws of motion.

  • Duration: 2 Hours
  • Total Marks: 80 Marks
  • Number of Questions: 19 Questions (Section A: Questions 1 - 13; Section B: Questions 14 - 19)
  • Structure: Section A (25 Marks, Questions 1–13, compulsory short-answer questions) and Section B (55 Marks, Questions 14–19, compulsory structured computational and explanatory questions).

  It covers the following topics:

  • Section A:
    • Thermal physics: Glass heating safety, thermal expansion in thick vs. thin glass containers, and heat radiation of polished vs. blackened surfaces
    • Thermal conductivity: Variable controls in metal rod conductivity experiments
    • Kinematics: Vertical projectile motion initial velocities, and sketching distance-time graphs from displacement-time plots
    • Fluid mechanics: Bernoulli's principle in fluid flow, velocity changes in pipes of varying diameters, and centrifugal drying mechanisms
    • Gas laws: Pressure Law calculations at constant volume
    • Flotation: Density of floating solids from displaced liquid volumes
    • Measurements: Precision instruments for measuring millimeter-scale dimensions
  • Section B:
    • Particulate nature of matter: Brownian motion in smoke cells, and estimating oil molecule monolayer thickness with experimental assumptions
    • Circular motion: Vertical circular paths upon string breakage, acceleration in uniform circular motion, minimum orbital velocities, angular velocity, and pin reaction forces
    • Hooke's law: Spring constant determinations, force-extension graph gradients, and work done on end-to-end spring combinations
    • Flotation and hydrometry: Relative density of unknown liquids, hydrometer operating principles, weighted bulbs, and stem immersion depths in brine
    • Thermodynamics and calorimetry: Distinguishing heat from temperature, specific heat capacity, and method of mixtures final steady temperatures
    • Newtonian mechanics: Newton's third law of motion, kinetic energy upon free fall, and resolved force vectors on inclined planes
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  PHYSICS
• Posted By:

  Caleb_Peter

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