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6 Cards in this Set
- Front
- Back
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what are lens
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a piece of glass or other transparent material shaped so that it can produce an image by refracting light that comes from any object.
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What are the two kinds of lenses?
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Converging lenses and diverging lenses.
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What's a converging lens?
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A converging lens is thicker in the middle than its rim
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What's a diverging lens?
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A diverging lens is thinner in the middle than its rim.
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What would happen to a piece of paper is sunlight is used?
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If sunlight was used, the concentration of radiant energy may be enough to burn a hole through a piece of paper.
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What is the focal length?
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The ditance from the lens to F.
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