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Practice paper focus areas

• Exam 1 — Unit 3 Gravity and Electromagnetism: uniform circular motion and centripetal dynamics, Newton's Law of Universal Gravitation, gravitational field strength, Kepler's three laws, orbital speed and satellite mechanics (geostationary orbit above Queensland), Coulomb's Law and electric fields, work on charges, the motor effect, electromagnetic induction (Faraday/Lenz), transformers and power transmission; Unit 4 Revolutions in Modern Physics: special relativity (postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck, photoelectric effect, de Broglie duality, Bohr hydrogen model), Standard Model (quarks, leptons, baryons, mesons, antiparticles, fundamental forces and exchange bosons, conservation laws, Feynman diagrams); QCAA EA format: Paper 1 (Section A 20 MCQ = 20 marks; Section B short/extended response = 28 marks) and Paper 2 (Section C stimulus-based short/extended response = 49 marks); grand total 97 marks
• Exam 2 — Special relativity (Lorentz factor, time dilation, length contraction, simultaneity, relativistic momentum/energy, mass-energy equivalence) anchored to a 0.85c interstellar voyage to Alpha Centauri; Unit 3 Gravity and Electromagnetism: uniform circular motion, Newton's law of universal gravitation, gravitational field strength, Kepler's three laws, orbital/satellite mechanics; Unit 3 electromagnetism: Coulomb's law, electric fields, work on charges, the motor effect (F=BIL and F=qvB), electromagnetic induction (Faraday/Lenz), AC generators, transformers and power transmission
• Exam 3 — Unit 3 Gravity & Electromagnetism: uniform circular motion, Newton's gravitation, gravitational field strength, Kepler's laws, orbital/satellite mechanics, Coulomb's Law, electric fields, work on charges, motor effect, electromagnetic induction (Faraday & Lenz), AC generators, transformers & power transmission; Unit 4 Revolutions in Modern Physics: special relativity (postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck, photoelectric effect, de Broglie duality, Bohr hydrogen model), Standard Model (quarks, leptons, baryons, mesons, antiparticles, four forces & exchange bosons, conservation laws, Feynman diagrams); Stimulus thread: a charged oil droplet suspended motionless between parallel plates (Millikan-style) - calculating electric field strength E=V/d, charge q from force balance qE=mg, number of excess electrons, and work done W=qV moving the droplet between plates
• Exam 4 — Unit 3 Gravity and Electromagnetism: uniform circular motion and centripetal dynamics, Newton's Law of Universal Gravitation, gravitational field strength, Kepler's three laws, orbital/satellite mechanics, Coulomb's Law, electric fields, work done on charges, the motor effect, electromagnetic induction (Faraday/Lenz), AC generators, and transformers with power transmission; Unit 4 Revolutions in Modern Physics: special relativity (Einstein's postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck's hypothesis, photoelectric effect, de Broglie duality, Bohr hydrogen model), and the Standard Model (quarks, leptons, baryons, mesons, antiparticles, four forces and exchange bosons, conservation laws, Feynman diagrams); Cosmic-ray muon stimulus thread: applying time dilation in the Earth frame and length contraction in the muon rest frame to explain why muons reach sea level despite a short half-life, with quantitative survival-fraction reasoning that reconciles both frames
• Exam 5 — Unit 3: electromagnetic induction (Faraday's and Lenz's Laws), AC generators, transformers and power transmission, motor effect, Coulomb's Law and electric fields, work on charges, circular motion, gravitation, Kepler's laws and orbital mechanics; Unit 4: special relativity (time dilation, length contraction, mass-energy equivalence), quantum theory (photoelectric effect, de Broglie wavelength, Bohr hydrogen model, Planck's hypothesis), Standard Model (quarks, leptons, baryons/mesons, exchange bosons, conservation laws, Feynman diagrams); Context thread: a wind turbine generator supplying a remote Queensland farm via electromagnetic induction and transformer step-up for grid transmission
• Exam 6 — Unit 3 Gravity & Electromagnetism: circular motion, Newton's gravitation, Kepler's laws, orbital mechanics, Coulomb's law, electric fields, motor effect, electromagnetic induction (Faraday/Lenz), AC generators, transformers & power transmission; Unit 4 Revolutions in Modern Physics: special relativity (postulates, simultaneity, time dilation, length contraction, mass-energy), quantum theory (Planck, photoelectric effect, de Broglie, Bohr model), Standard Model (quarks, leptons, baryons/mesons, fundamental forces & bosons, conservation laws, Feynman diagrams); Core stimulus: solar-panel photoelectric experiment — UV light of varying frequency on a metal surface, stopping-voltage measurements, Ek-f graph analysis to extract work function W (= 3.32e-19 J, 2.07 eV) and threshold frequency f0 (= 5.0e14 Hz, gradient = h = 6.63e-34 J s)
• Exam 7 — QCAA Physics Units 3 & 4 (General, 2025 v1.3) full External Assessment, contextualised around the Large Hadron Collider; Unit 3 Gravity & Electromagnetism: uniform circular motion, Newton's gravitation, gravitational field strength, Kepler's laws, orbital/satellite speed, Coulomb's law and electric fields, work on charges, motor effect, F=qvB, electromagnetic induction (Faraday/Lenz), AC generators, transformers and power transmission; Unit 4 Revolutions in Modern Physics: special relativity (postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck, photoelectric effect, de Broglie, Bohr hydrogen model), Standard Model (quarks/leptons, baryons/mesons, antiparticles, four forces and exchange bosons, conservation laws, Feynman diagrams)
• Exam 8 — Unit 3: uniform circular motion and centripetal force; Unit 3: Newton's Law of Universal Gravitation and gravitational field strength; Unit 3: Kepler's laws, orbital mechanics and satellite speed (incl. geostationary orbits)
• Exam 9 — MRI superconducting magnets as the stimulus thread: force on a current-carrying wire (F = BIL), the motor effect, torque on coil, and quantitative contrast with Earth's ~5x10^-5 T field; Unit 3 Gravity and Electromagnetism: uniform circular motion and centripetal dynamics, Newton's Law of Universal Gravitation, gravitational field strength, Kepler's three laws, orbital/satellite speed; Coulomb's Law, electric fields, and work done on charges; the motor effect on conductors and moving charges (F = BIL, F = qvB)
• Exam 10 — Unit 4 quantum theory anchored on de Broglie electron diffraction through a crystal lattice and comparison to X-ray Bragg diffraction; de Broglie wavelength from accelerating voltage, momentum and kinetic energy of accelerated electrons; Bragg's law nλ = 2d sinθ: multi-order diffraction, electron vs X-ray diffraction angles, crystal lattice spacing determination
• Exam 11 — QCAA Physics Units 3 & 4 (General, 2025 v1.3) External Assessment; Unit 3: uniform circular motion and centripetal dynamics, Newton's Law of Universal Gravitation, gravitational field strength, Kepler's three laws, orbital/satellite mechanics, Coulomb's Law and electric fields, work done on charges, the motor effect, electromagnetic induction (Faraday/Lenz), AC generators, transformers and power transmission; Unit 4: special relativity (postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck, photoelectric effect, de Broglie, Bohr model), Standard Model (quarks/leptons, baryons/mesons, antiparticles, four forces and exchange bosons, conservation laws, Feynman diagrams)
• Exam 12 — QCAA Physics Units 3 & 4 (General, 2025 v1.3) External Assessment - Practice EA 12 of 20; Stimulus thread: HVDC power transmission across regional Queensland - I-squared-R losses, step-up transformers, Faraday's Law; Unit 3 Gravity & Electromagnetism: circular motion, gravitation, Kepler, orbits, Coulomb's Law, electric fields, motor effect, induction, AC generators, transformers, power transmission
• Exam 13 — QCAA Physics Units 3 and 4 (General, 2025 v1.3) full practice External Assessment (Practice EA 13 of 20); Unit 3 Gravity and Electromagnetism: uniform circular motion and centripetal force, Newton's Law of Universal Gravitation, gravitational field strength and Kepler's laws, orbital and satellite mechanics, Coulomb's Law and electric fields, work done on charges, the motor effect (force on conductors and moving charges), electromagnetic induction (Faraday's and Lenz's Laws), AC generators, transformers and power transmission; Unit 4 Revolutions in Modern Physics: special relativity (two postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck's hypothesis, photoelectric effect, de Broglie wave-particle duality, Bohr hydrogen atom), the Standard Model (quarks and leptons, baryons and mesons, antiparticles, four fundamental forces and exchange bosons, conservation laws, Feynman diagrams)
• Exam 14 — Unit 4 Standard Model: electron-positron annihilation, Feynman diagrams, exchange bosons, conservation laws, quark/lepton classification; Unit 4 Special Relativity: time dilation, length contraction, mass-energy equivalence, muon decay evidence; Unit 4 Quantum: photoelectric effect, Planck's hypothesis, de Broglie duality, Bohr hydrogen model
• Exam 15 — QCAA Physics Units 3 & 4 (General, 2025 v1.3) Practice External Assessment 15 of 20; Stimulus context: a probe descending into a deep gravity well near a 12-solar-mass star — gravitational field strength vs radius, orbital/satellite speed, Kepler's laws, and relativistic length contraction at final orbital speed; Unit 3 — Gravity and Electromagnetism: uniform circular motion and centripetal dynamics, Newton's Law of Universal Gravitation, gravitational field strength, Kepler's three laws, orbital mechanics, Coulomb's Law and electric fields, work on charges, the motor effect, electromagnetic induction (Faraday's and Lenz's Laws), AC generators and transformers/power transmission
• Exam 16 — Unit 3 Gravity & Electromagnetism: Coulomb's Law, electric fields, work on charges, Newton's law of gravitation, gravitational field strength, Kepler's laws, orbital/satellite motion, uniform circular motion, motor effect, magnetic force on charges/conductors, Faraday's & Lenz's Laws, AC generators, transformers, power transmission; Unit 4 Revolutions in Modern Physics: special relativity (postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck, photoelectric effect, de Broglie duality, Bohr hydrogen model), Standard Model (quarks, leptons, baryons, mesons, antiparticles, fundamental forces & exchange bosons, conservation laws, Feynman diagrams); Stimulus context: a charged sphere rolled on a frictionless horizontal surface near a second charged sphere — applying Coulomb's Law, comparing the electric force to gravity between the same masses, and locating the equilibrium separation
• Exam 17 — Special relativity (Unit 4): Einstein's postulates, simultaneity, time dilation, length contraction, mass-energy equivalence - framed around a SpaceX Starship near-relativistic re-entry thought experiment; Quantum theory (Unit 4): Planck's hypothesis, photoelectric effect, de Broglie wave-particle duality, Bohr hydrogen model; Standard Model (Unit 4): quarks/leptons, baryons/mesons, antiparticles, four fundamental forces and exchange bosons, conservation laws, Feynman diagrams
• Exam 18 — Unit 3: uniform circular motion and centripetal force; Unit 3: Newton's Law of Universal Gravitation and gravitational field strength; Unit 3: Kepler's laws and orbital/satellite mechanics
• Exam 19 — Unit 3 Gravity and Electromagnetism: uniform circular motion and centripetal force, Newton's Law of Universal Gravitation and gravitational field strength, Kepler's three laws and orbital/satellite mechanics, Coulomb's Law and electric fields, work done on charges, the motor effect (F=BIL and F=qvB), electromagnetic induction via Faraday's and Lenz's Laws, AC generators, and transformer operation applied to power transmission; Unit 4 Revolutions in Modern Physics: special relativity (two postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck's hypothesis, photoelectric effect, de Broglie duality, Bohr hydrogen model), and the Standard Model (quarks, leptons, baryons/mesons, antiparticles, four fundamental forces and exchange bosons, conservation laws, Feynman diagrams); Stimulus context: a 330 kV to 240 V outback substation transformer (turns ratios, Lenz's Law in coil operation, current ratios at 100% efficiency) plus power-transmission loss analysis
• Exam 20 — Unit 3 Gravity and Electromagnetism: uniform circular motion, Newton's universal gravitation, gravitational field strength and Kepler's laws, orbital/satellite mechanics, Coulomb's law and electric fields, work on charges, motor effect, electromagnetic induction (Faraday/Lenz), AC generators, transformers and power transmission; Unit 4 Revolutions in Modern Physics: special relativity (postulates, simultaneity, time dilation, length contraction, mass-energy equivalence), quantum theory (Planck's hypothesis, photoelectric effect, de Broglie duality, Bohr hydrogen model), the Standard Model (quarks, leptons, baryons/mesons, antiparticles, four forces and exchange bosons, conservation laws, Feynman diagrams); Stimulus thread: a magnetically confined ionised-hydrogen plasma emitting a blackbody spectrum, used to contrast the classical Rayleigh-Jeans prediction with the Planck quantised spectrum, locate the peak wavelength via Wien's law, and identify the soft X-ray regime