IGCSE Physics

Syllabus content2.3 (b) ConvectionCore• Relate convection in fluids to density changes anddescribe experiments to illustrate convection2.3 (c) RadiationCore• Identify infra-red radiation as part of theelectromagnetic spectrum2.3 (d) Consequences of energy transferCore• Identify and explain some of the everydayapplications and consequences of conduction,convection and radiationSupplement• Describe experiments to show theproperties of good and bad emittersand good and bad absorbers of infra-redradiation3. Properties of waves, including light and sound3.1 General wave propertiesCore• Describe what is meant by wave motion asillustrated by vibration in ropes and springs and byexperiments using water waves• Use the term wavefront• Give the meaning of speed, frequency, wavelengthand amplitude• Distinguish between transverse and longitudinalwaves and give suitable examples• Describe the use of water waves to show:– reflection at a plane surface– refraction due to a change of speed– diffraction produced by wide and narrow gaps3.2 Light3.2 (a) Reflection of lightCore• Describe the formation of an optical image by aplane mirror, and give its characteristics• Use the law angle of incidence = angle of reflectionSupplement• Recall and use the equation v = f λ• Interpret reflection, refraction anddiffraction using wave theorySupplement• Perform simple constructions,measurements and calculationsCambridge IGCSE Physics 0625. Syllabus for examination in 2015.23