Requirements
- 1.
Define and/or draw a diagram of the following:
- a.
Focal length f. Lateral color
- b.
Positive lens g. Spherical aberration
- c.
Negative lens h. Achromatic lens
- d.
Two kinds of distortion i. Refraction of light
- e.
Longitudinal color
- a.
- 2.
Explain how light behaves when it strikes or traverses water, oil, feldspar, and a mirror.
- 3.
Name and draw diagrams of three kinds of positive lenses and three kinds of negative lenses.
- 4.
What should be the minimum distance of light source from the lens when testing for focal length?
- 5.
Find the focal length of at least four lenses, one being a negative lens.
- 6.
Explain by diagram why an image from a positive lens makes an image reversed and inverted.
- 7.
Show with diagrams how a prism works. State the angles at which the colors appear and disappear.
- 8.
Show and demonstrate what happens when light strikes one-way glass.
- 9.
Construct one optical instrument using mirrors or lenses, such as a periscope, a slide or opaque projector, or a simple telescope.
- 10.
Explain what is meant by the term 6x35 and 7x50 as applied to binoculars.
- 11.
Define the term "f/stop" as used in connection with cameras. What does it mean when a lens is fast or slow? Is an f/8.5 lens faster or slower than an f/8 lens?
About this honor
- Category
- Health and Science
- Skill level
- 2
- Division
- General Conference
- Edition
- 2001
- Original honor
- 1962
Requirements are published by AdventSource for the General Conference of Seventh-day Adventists. Advent Clubs reproduces them here for club leaders and links the original document above.