Worksheet
Diverging Lens Vocabulary
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Directions:
Research the
resource lesson
on diverging lenses for these answers. Many of them can be discovered by watching the outcome of each ray animation. This worksheet does not present "correct answers," it is a single submission. It will be graded out of 12 - allowing you two "free errors or omissions or extra credit."
1. A ____ lens (shape) is thinner in the center than on the edges.
2. When used individually, a ____ lens always forms virtual images.
3. When formed by a single lens, a ____ image is always inverted.
4. When formed by a single lens, a ____ image is always upright.
5. Virtual images formed by diverging lenses are ____ compared to the object.
enlarged in size
the same size
reduced in size
6. While virtual images formed by converging lenses are ____ compared to the object.
enlarged in size
the same size
reduced in size
7. A ____ image is said to be "trapped" in the lens.
8. When used in air, which set of terms are synonymous?
convex, diverging
concave, diverging
9. After passing through a diverging lens, rays of light traveling parallel to a lens' axis are refraction to the lens' ____.
principal focus of the lens
center of the lens
secondary focus of the lens
10. A ray that starts from the top of an object aiming for the ____ would leave a diverging lens running parallel to its axis.
principal focus of the lens
center of the lens
secondary focus of the lens
11. A ray that starts from the top of an object and passes through the ____ would leave a diverging lens totally straight.
principal focus of the lens
center of the lens
secondary focus of the lens
12. For a diverging lens, its ____ is located on the same side of the lens as the object.
principal focus
center
secondary focus
13. Virtual images are formed by ____ rays of light that have passed through a lens.
converging
parallel
diverging
14. ____ images are located on the same side of the lens as the object - that is, by looking in one direction, the observer can see both the image and the object.
Real
Virtual
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