Physics (A) J249,04 Higher June 2022 , OCR GCSE Past Papers with Mark Schemes

1. Thermal conductivity effects, amplitude determination in waves, and power unit conversions.
2. Radioactive decay half-life, refraction through lenses, and light absorption properties.
3. Seismic wave behavior in Earth′s layers, latent heat calculations, and radiation intensity trends.
4. Nuclear fission chain reactions, energy transfer in heating systems, and spring extension relationships.
5. Stopping distances, work done in moving objects, and lubrication effects on energy efficiency.
6. Sound wave reflections, planetary orbital variations, and transformer applications in the national grid.