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3 cards from this section. Quick, good the night before a test.
What happens to a ray parallel to the principal axis when it hits a convex lens?
Think about where the light concentrates.
Define a concave lens.
How does it shape light?
What is the focal point of a convex lens?
Think about how light rays interact after passing through.
True or False: A ray parallel to the principal axis in a concave lens diverges upon refraction.
Recall the properties of light as it encounters concave lenses.
Analyze a scenario where an object is moved closer to a convex lens. Predict how the image distance changes and illustrate with a ray diagram.
Remember the rules of ray diagrams as you draw.
A concave lens has a focal length of -5 cm. Determine the image location for an object located 10 cm from the lens using the lens formula.
Use the lens formula carefully with proper sign conventions.
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