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3 cards from this section. Quick, good the night before a test.
What type of image is formed when an object is placed between the focal point and the lens of a concave lens?
Think about how a concave lens behaves.
In a convex lens, where do the parallel rays converge?
Remember what happens to light in a convex lens.
What type of lens converges light rays?
Think about the action of light through each lens type.
True or False: A concave lens always forms real images.
Recall the characteristics of images formed by concave lenses.
You have a convex lens of focal length 15 cm. An object is placed 45 cm away from the lens. Calculate the nature, position, and size of the image formed.
Use the lens formula to find image position following the image magnification formula.
An object is placed 10 cm in front of a concave lens with a focal length of -8 cm. Find the position of the image formed.
Apply the lens formula and carefully consider the sign conventions.
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