Magnification
Magnification tells you how many times bigger (or smaller) the image is than the object:
m = image height / object height = v / u
where v is the image distance and u is the object distance from the lens. Magnification is a ratio of two lengths, so it has no units.
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More in Optics
- The Power of a Lens
- The Power of Twin Lenses
- Forming an Image
- Image Calculations
- Plane Polarisation
- Polarising Filters
- Polarisation by Reflection and Refraction
- Exam-style Question 1
All 21 lessons in Optics · All Edexcel AS-level Physics topics