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3 cards from this section. Quick, good the night before a test.
What type of images do concave lenses produce?
Think about the characteristics we discussed.
What is the focal length of a concave lens?
Recall the properties of concave lenses.
What type of images do concave lenses form?
Remember the properties of images formed by concave lenses.
True or False: Concave lenses can form real images.
Think about image properties and real vs. virtual.
A concave lens has a focal length of -25 cm. If an object is 10 cm in front of the lens, where does the image form?
Don’t forget to consider the signs in the lens formula.
If a concave lens produces an image of size 2 cm for an object size of 6 cm, what is the magnification?
Use the formula to find the relationship between image and object sizes.
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