SA · SACE BoardQ&A
PhysicsQ&A by dot point
A short Q&A bank for every SA Physics syllabus dot point. Each question and answer is drawn directly from our worked dot-point page, so you can scan key concepts before opening the long-form answer.
Topic 1: Motion and Relativity
- Apply conservation of momentum to elastic and inelastic collisions in one dimension, and distinguish them using kinetic energy.0Q&A pairs
- Apply Newton's three laws of motion, drawing free-body diagrams and resolving forces to determine the acceleration of objects and the forces in interacting systems.0Q&A pairs
- Apply mass-energy equivalence to rest energy and to the mass defect and energy release in nuclear processes.1Q&A pairs
- Relate impulse to the change in momentum of an object using , and interpret force-time graphs.0Q&A pairs
- Apply Newton's law of universal gravitation and the concept of gravitational field strength to interactions between masses.0Q&A pairs
- Analyse the orbital motion of satellites by equating gravitational force to the centripetal force requirement, deriving orbital speed and period.0Q&A pairs
- Resolve projectile motion into independent horizontal (constant velocity) and vertical (constant acceleration) components to predict range, time of flight and maximum height.0Q&A pairs
- State Einstein's postulates of special relativity and apply time dilation and length contraction to objects moving at relativistic speeds.0Q&A pairs
- Describe uniform circular motion using centripetal acceleration and force, relating them to speed, radius and period.0Q&A pairs
- Calculate work done by a force, relate net work to change in kinetic energy via the work-energy theorem, and define power as the rate of doing work.0Q&A pairs
Topic 2: Electricity and Magnetism
- Explain the operation of an AC generator and apply the transformer equation to step voltage up or down.0Q&A pairs
- Analyse the circular motion of a charged particle in a uniform magnetic field, relating radius to mass, charge, speed and field strength.0Q&A pairs
- Apply Coulomb's law to the force between point charges and describe the electric field around a charge.1Q&A pairs
- Apply Faraday's law to relate induced EMF to the rate of change of magnetic flux through a coil.0Q&A pairs
- Use Lenz's law to determine the direction of an induced current and explain it in terms of conservation of energy.0Q&A pairs
- Calculate the force on a current-carrying conductor in a magnetic field and explain its role in the operation of a motor.0Q&A pairs
- Calculate the magnetic force on a moving charge and determine its direction using the right-hand rule.0Q&A pairs
- Analyse the motion of charged particles in the uniform electric field between parallel plates, using field strength, force and energy.0Q&A pairs
Topic 3: Light and Atoms
- Explain atomic emission and absorption spectra using the Bohr model and the relationship between photon energy and energy-level differences.1Q&A pairs
- Analyse the double-slit interference pattern and use the fringe-spacing relationship to determine wavelength.1Q&A pairs
- Describe alpha, beta and gamma decay, balance nuclear equations, and apply the concept of half-life.0Q&A pairs
- Explain the photoelectric effect using the photon model, including threshold frequency, work function and maximum kinetic energy.0Q&A pairs
- Apply the photon model to calculate photon energy and explain wave-particle duality.0Q&A pairs
- Describe the Standard Model classification of fundamental particles into quarks, leptons and force-carrying bosons.0Q&A pairs
- Describe the wave model of light and apply the principle of superposition to constructive and destructive interference.0Q&A pairs