Concave and Convex Lenses

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5 Terms

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What is a concave lens?

A concave lens is a lens that diverges light rays that are entering it. It is thinner in the middle than at the edges.

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What is a convex lens?

A convex lens is a lens that converges light rays that are entering it. It is thicker in the middle than at the edges.

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How does a concave lens affect light rays?

A concave lens causes parallel light rays to diverge, making them appear to come from a focal point behind the lens.

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How does a convex lens affect light rays?

A convex lens causes parallel light rays to converge to a focal point in front of the lens.

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