GCSE Physics - How Lenses Work #69

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