Lab IV: Converging Lens
- Supervisor: Mr. Liyang Ma
- Location: Room 214-220, Henglong Physics Building
Goal
- To determine the focal lengths of converging lenses by different methods, and to learn the structure of simple optical instrument such as microscope and telescope.
Related topics
- Geometrical optics
- Optical instrument
Video
Experimental devices
Contents
- Focal length by using the thin lens equation.
- Autocollimation approach.
- Bessel approach.
- Measure the focal length of a diverging lens. (Optional)
- Try to build a telescope with two converging lenses. (Optional)
Questions
- What have you learned from this lab?
- How do you evaluate each method?
Reference
- Adopted from “Astronomy Laboratory Manual - Hartnell College AST 1L ” http://www.hartnell.edu/faculty/pmoth/Files/AST1LAB/