A lens is an object with a curved surface or surfaces. The curves help to bend visible light, which allows objects to be seen. A concave lens is narrower in the middle and thicker at the edges. A convex lens is thicker in the middle and narrower at the edges. Students create a model of each type of lens. Their models are shown.
Multiple Choice Question
Which best describes the lens that would make the best magnifying glass?
A.
A convex lens because it will focus the light to make objects appear larger.
B.
A concave lens because it will focus the light to make objects appear larger.
C.
A convex lens because it will spread out the light to make objects appear larger.
D.
A concave lens because it will spread out the light to make objects appear larger.
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The best option that describes the lens that would make the best magnifying glass is:
A. A convex lens because it will focus the light to make objects appear larger.
Convex lenses converge light rays to a point, which magnifies the image of an object, making it appear larger.
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