Images and Geometric Optics

Online lecture videos recorded by Prof. Darin Acosta
Use of these videos for teaching purposes requires the explicit consent of Prof. Dain Acosta

Note: the convention for object and image distances is s and s' in these lectures, rather than p and i, respectively, as in the textbook

Images

Lecture (7:15)
- Introduction to the formation of images

Plane Mirrors

Definitions and Conventions (9:16)
- Images from plane mirrors and conventions for real and virtual images

Spherical Mirrors

Definitions and Conventions (19:58)
- Images for convex and concave spherical mirrors and conventions on focal lengths
Image-Object distance relationship with example (11:26)
- Relationship between object and image distance for spherical mirrors with example
Magnification (5:56)
- Definition of image magnification and detemination from object and image distances

Spherical Refracting Surfaces

Lecture (12:21)
- Refraction across a spherical surface and relationship between image distance, object distance, radius of curvature, and indices of refraction

Thin Spherical Lenses

Definitions and Conventions (24:02)
- Images for convex and concave thin lenses and the lensmakers' equation, with example
Image-Object distance relationship (25:42)
- Relationship between object and image distance for thin lenses highlighting different cases of virtual and real images
Examples (9:13)
- Examples of calculating image distance and focal lengths, including demonstrations

Multiple Lenses

Lecture (10:29)
- Procedure to calculate image position for a multiple lens system