Summary

• Description:

  The MS Word document comprises KCSE 2026 Physics Paper 1 Prediction Paper with Answers (Set 3). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Physics Paper 1 prediction examination designed to prepare candidates for the national assessment.

  The paper assesses mechanics, thermal physics, properties of matter, fluid dynamics, and gas laws through quantitative problem sets, experimental setups, and graph analysis.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 18 (Questions 1 - 18)
  • Structure: Two sections; Section A (25 marks, short-answer questions 1 - 13) and Section B (55 marks, structured multi-part questions 14 - 18)

  It covers the following topics:

  • Section A:
    • Measurements and Physical Quantities (Diameter estimation of multiple spheres)
    • Gravitational Field Strengths (Comparative jumping heights on Earth vs. Jupiter)
    • Thermometry (Calibration of faulty thermometers with incorrect fixed points)
    • Surface Tension (Methods of increasing surface tension in liquids)
    • Hooke's Law and Elasticity (Parallel and series spring combinations and system constants)
    • Particulate Nature of Matter (Oil drop experiment, molecular thickness calculation, assumptions)
    • Thermal Expansion (Bimetallic concrete and steel strip behavior upon heating)
    • Linear Motion and Momentum (Newton's second law, 1D inelastic collision between moving trolleys)
    • Fluid Dynamics and Pressure (Bernoulli's effect across a vertical straw, barometric liquid limitations)
    • Kinematics Graphs (Velocity-time graph for a stone projected vertically upwards)
    • Equilibrium of Rigid Bodies (Moments of a force, center of gravity of non-symmetrically loaded meter rule)
  • Section B:
    • Gas Laws (Pressure Law experimental verification, trapped air column and Boyle's law tube inversion, combined gas equation calculations)
    • Thermal Physics and Calorimetry (Definition of specific heat capacity, method of mixtures with a lagged calorimeter, heat gained/lost balance)
    • Uniform Circular Motion (Centripetal acceleration of orbiting bodies, vertical circular motion of water in a pail, angular velocity, angular acceleration, string tension, linear velocity)
    • Linear Momentum and Impulse (Perfectly inelastic collisions, common velocity, stopping distance, impulse force)
    • Work, Energy, Power, and Machines (Inclined planes, velocity ratio, mechanical advantage, efficiency, work done against friction)
    • Floating and Sinking (Archimedes' principle and law of flotation, upthrust, tension on immersed aluminium in water vs. mercury)
• File Size:

  483.29 KB
• Category:

  KCSE Prediction Papers
• Level:

  Form 4
• Subject:

  Physics
• Posted By:

  Caleb_Peter

Enter your details below to initiate a payment using MPESA.