Essay about Focal Length of Lenses Lab - University Physics Ii

1350 Words 6 Pages
Focal Length of Lenses

Date Lab Conducted: June 19, 2012 Date Due: June 25, 2012 Date Submitted: June 25, 2012

1. To demonstrate that converging lenses form real images while diverging lenses form virtual images.
2. To determine the equivalent focal length of two joined lenses using their individual focal lengths.
3. To measure the focal length of diverging lens by combining it with a converging lens and forming a real image.

List of Apparatus:
- Optical bench containing clamps for lenses and a screen - White screen upon which to project images
- Lap with a geometric object painted upon its face to serve as an illuminate object
- Three lenses: A, B, and C with focal lengths
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Several measurements of object distance and image distance were taken for lens B. The calculated focal lengths

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