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- 1. Multiple Choice
In this photograph, the water droplet is acting like a lens. Lenses work because of _________.
reflection
refraction
diffraction
interference
- 2. Multiple Choice
What type of lens is the droplet acting like?
convex
concave
- 3. Multiple Choice
The lens pictured is exhibiting _______ behavior and is ______ in shape.
converging, convex
converging, concave
diverging, convex
diverging, concave
- 4. Multiple Choice
Which of the following correctly labels points A, B, and C?
focal point, focal length, principal axis
focal point, principal axis, focal length
principal axis, focal length, focal point
focal length, focal point, principal axis
- 5. Multiple Choice
The focal length of this lens is _______.
negative because it can form real images
positive because it can form real images
negative because it can form virtual images
could be positive or negative depending on the image formed
- 6. Multiple Choice
The focal length of this lens is _______.
negative because it can form real images
positive because it can form real images
negative because it can form virtual images
could be positive or negative depending on the image formed
- 7. Multiple Choice
The lens pictured is exhibiting _______ behavior and is ______ in shape.
converging, convex
converging, concave
diverging, convex
diverging, concave
- 8. Multiple Choice
Classify the image formed in the droplet. Check two.
real
virtual
inverted
upright
- 9. Multiple Choice
Classify the image produced by the projector lens. Check two.
real
virtual
larger than original
smaller than original
- 10. Multiple Choice
A person standing in front of a lens creates an image that is both smaller than the original and closer to the lens. Classify the image formed in this scenario.
real, inverted
real, upright
virtual, inverted
virtual, upright
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