Physics (A) J249,04 Higher June 2023 , OCR GCSE Past Papers with Mark Schemes

1. Sound wave properties, ultrasound depth calculations, and radioactive contamination risks.
2. Seismic wave behavior, electrical power calculations, and velocity-time graph interpretations.
3. Light absorption in different media, color perception effects, and tracer applications in leak detection.
4. Nuclear decay processes, polonium-210 radiation effects, and half-life calculations.
5. Electron transitions in atoms, redshift in distant galaxies, and nuclear fusion probability analysis.
6. Transformer operations, energy efficiency in power grids, and gravitational potential energy experiments.