2 IGCSE Physics resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter IGCSE SubjectClear filter Physics Exam board CIE Edexcel TopicClear filter Energy Light rays and waves Resources Crossword Flashcards Mindmap Multi-tool Quiz Quizsearch Rays and waves IGCSE, Physics Mindmap Physics Practice Exam IGCSE, Physics Quiz Search again