This component covers the following areas of study: 1. [[The nature of waves ]] 2. [[Wave properties ]] 3. [[Refraction of light ]] 4. [[Photons ]] 5. [[Lasers ]] 6. [[Nuclear decay ]] 7. [[Particles and nuclear structure ]] 8. [[Nuclear energy ]] 9. [[Magnetic fields ]] 10. [[Electromagnetic induction ]] Choice of 1 option from 4: A: [[Alternating currents ]] B: [[Medical physics ]] C: [[The physics of sports ]] D: [[Energy and the environment]]