IB Physics SL study plan
IB Physics SL · Give each week a clear focus.
8 weeks · About 7 hours per week
Mechanics
Derive and apply the three SUVAT equations to solve constant-acceleration problems without looking at notes
Draw free-body diagrams for at least six situations involving friction, tension, and inclined planes, then write the net-force equation for each
Distinguish clearly between mass and weight and compute apparent weight in an accelerating lift
State Newton's three laws in your own words and match each to a worked example
Your checkpoint
A one-page formula sheet for kinematics and dynamics plus 15 solved problems with free-body diagrams, self-marked against the mark scheme
Mechanics
Apply conservation of momentum to elastic and inelastic collisions and to explosion problems
Calculate work, kinetic energy, gravitational potential energy, and power in multi-step problems
Interpret and sketch force–displacement and force–time graphs, extracting work and impulse as areas
Solve pulley and connected-mass problems using a single system equation
Your checkpoint
A timed 45-minute Mechanics mini-paper (Paper 1 style multiple choice plus two structured questions) scored and error-logged
Electricity and Magnetism
Draw circuit diagrams and apply Kirchhoff's laws to two-loop circuits
Calculate equivalent resistance for series, parallel, and mixed networks
Use Ohm's law and the power equations to find current, voltage, and dissipated power in each resistor
Describe the potential divider and explain how a thermistor or LDR changes output voltage with temperature or light
State the difference between emf and terminal potential difference and calculate internal resistance from a graph
Your checkpoint
A worked solution set of 12 circuit problems including two potential-divider design questions, each with a labelled diagram
Electricity and Magnetism & Circular Motion and Gravitation
Apply F = BIL sinθ and F = qvB sinθ to determine magnitude and direction of magnetic force
Explain electromagnetic induction qualitatively and apply Faraday's and Lenz's laws to changing flux
Derive and use centripetal acceleration and force for horizontal circles, vertical circles, and banked tracks
Apply Newton's law of gravitation and Kepler's third law to satellite and orbital problems
Your checkpoint
A mid-plan mock covering Mechanics, Electricity and Magnetism, and Circular Motion (60 minutes), scored with a topic-by-topic error table
Waves
Describe and apply the principle of superposition to two-source interference and draw the resulting pattern
Use the double-slit equation and the diffraction grating equation to calculate wavelength, slit spacing, and order
Explain single-slit diffraction, polarization, and the conditions for observable interference
Distinguish transverse from longitudinal waves and relate intensity to amplitude
Apply the Doppler effect equations to moving sources and observers
Your checkpoint
A diagram-rich summary sheet of all wave phenomena with the governing equation and one worked example each
Atomic, Nuclear and Particle Physics
Describe the photoelectric effect and use the Einstein photoelectric equation to find work function and stopping potential
Interpret atomic energy-level diagrams and calculate photon wavelength from energy differences
Balance nuclear decay equations and apply the half-life relationship to activity and count-rate problems
Classify particles as fermions or bosons and list the quark composition of protons, neutrons, and mesons
State the conservation laws used in particle interactions and check them in given reactions
Your checkpoint
A 20-question self-written quiz on atomic, nuclear, and particle physics with an answer key and short justifications
Measurements and Uncertainties & Thermal Physics
Calculate absolute, fractional, and percentage uncertainty and combine uncertainties in sums, products, and powers
Determine uncertainty from a graph, including gradient and intercept with error bars
Distinguish random from systematic error and describe how to reduce each
Apply the ideal gas equation and the kinetic model to relate pressure, volume, and temperature
Use specific heat capacity and latent heat in calorimetry and phase-change problems
Your checkpoint
A practical-analysis write-up of one experiment you can actually perform at home, with a data table, uncertainty budget, and graphed result with error bars
Energy Production & Measurements and Uncertainties
Compare energy sources by specific energy, renewability, and environmental impact
Describe the basic operation of a photovoltaic cell and a fossil-fuel power station with Sankey diagrams
Calculate efficiency from Sankey diagrams and energy-input data
Complete two full timed Paper 1 and Paper 2 sessions under exam conditions
Review the error log and re-solve every previously missed question type
Your checkpoint
Two completed full-length practice papers with scores, timing per section, and a final one-page 'weak spots to revise on exam morning' list
Milestones
Week 2: Score at least 70% on the Mechanics mini-paper and show a complete, labelled free-body diagram for every structured question attempted
Week 4: Score at least 65% on the combined mock and identify no more than three recurring error categories in the error table
Week 6: Answer 18 of 20 self-written atomic, nuclear, and particle questions correctly and state the quark composition of proton and neutron from memory
Week 8: Score at least 75% on both full practice papers within the official time allowance, with uncertainty questions attempted rather than skipped