10
lesson pretestMultiple Choice

Pretest

Question 10 • Physics

As opposed to concave lenses, which characteristic of convex lenses makes them useful in microscopes?

Answer
A
Convex lenses can produce images larger than objects.
B
Convex lenses cause light rays to spread out.
C
Convex lenses cause light rays to refract.
D
Convex lenses can produce upright images.

Explanation

Convex lenses can magnify objects, producing images larger than the objects themselves. A microscope uses convex lenses to enlarge tiny details so they can be seen more clearly. Concave lenses typically produce smaller images, while spreading light rays is a characteristic of concave lenses.

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