Lenses
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
p-465
2025-12-18
29
A lens consists of a transparent body bounded by two surfaces, one or both of which are curved. The curved surfaces are usually spherical. There are six forms of lenses in common use, which may be classified in two groups of three each
These lenses may be considered as being formed as follows:
- Intersection of two spheres.
- Intersection of plane and sphere.
- Intersection of small sphere by large sphere.
- Intersection of cylinder by two spheres.
- Intersection of cylinder by plane and sphere.
- Intersection of cylinder by a small and a large sphere.
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