Summary

• Description:

  The PDF document comprises MUSJET 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 formulated to test mastery of mechanics, thermal physics, fluid dynamics, gas laws, and physical properties of matter. Students can leverage this revision PDF paper and marking scheme to strengthen their performance in physics theory examinations.

  • Month Administered: July 2026
  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 18 (Questions 1–18)
  • Structure: Section A (25 marks, Questions 1–13 compulsory), Section B (55 marks, Questions 14–18 compulsory)

  It covers the following topics:

  • Section A
    • Measurement and density determination of irregular solids
    • Thermal expansion and convection currents in liquid thermometers
    • Atmospheric pressure: Mercury barometer readings and mountain height calculations
    • Linear kinematics: Uniform deceleration equations
    • Law of floatation
    • Surface tension: Oil film diameter and molecular thickness calculation
    • Thermometry: Sterilization precautions for clinical thermometers
    • Simple machines: Efficiency limitations due to friction and weight
    • Hooke's law: Spring constant calculation for series-parallel spring systems
    • Center of gravity and stability of liquid containers upon cooling
    • Fluid mechanics: Bernoulli's principle applied to air streams between suspended spheres
    • Particulate nature of matter: Brownian motion of smoke particles
  • Section B
    • Quantity of heat & thermodynamics: Pressure cooker working principles at high altitude, specific heat capacity, latent heat of vaporization, and heating time calculations
    • Gas laws: Verification of Pressure law, atmospheric pressure determination using inverted mercury columns, and combined gas law calculations ($P_1V_1/T_1 = P_2V_2/T_2$)
    • Momentum & impulse: Conservation of linear momentum, elastic vs. inelastic collisions, common velocity, impulsive force, and terminal velocity in viscous fluids
    • Uniform circular motion: Centripetal force, angular velocity, centrifugal effect, and tire mud ejection
    • Work, energy, power, and simple machines: Conservation of mechanical energy, pulley systems, Mechanical Advantage, Velocity Ratio, efficiency, and torque principles in levers
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  PHYSICS
• Posted By:

  Caleb_Peter

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