GCSE Physics Intro to Waves Longitudinal and Transverse Waves 61

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This video covers • The difference between convex and concave lenses • What 'principal focus' and 'focal length' are • The difference between real and virtual images • Exam board specific info: • AQA - Separate science only • IGCSE Edexcel - Not in your course • Edexcel - Separate science only • OCR 21st Century - Separate science only • OCR Gateway - Separate science only • Maths Playlist: •    • GCSE Maths (9-1)   • GCSE Chemistry playlist: •    • GCSE Chemistry - Atoms   Ions   • GCSE Biology Playlist: •    • Video   • GCSE Physics Playlist: •    • Video  

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