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what is convex lens?

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Asked 3/11/2010 9:48:23 AM

Updated 10/1/2014 5:42:33 AM

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Flagged by alfred123 [10/1/2014 5:42:02 AM]

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User: what is a concave lens?

User: what is convex lens?

Weegy: The most commonly-seen type of lens is the convex lens. This type of lens is often used for close examination of small objects, such as rare stamps or coins. [ Children often use such a lens to concentrate sunlight to burn small pinholes in pieces of paper. That result by itself shows the power of concentrated light from the sun. But there must be more to it than that. Let's see if we can define the behavior of lenses a bit more specifically. ]
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Question

Asked 3/11/2010 9:48:23 AM

Updated 10/1/2014 5:42:33 AM

2 Answers/Comments

This conversation has been flagged as incorrect.

Flagged by alfred123 [10/1/2014 5:42:02 AM]

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alfred123

A concave lens is a lens such that a parallel beam of light passing through it is caused to diverge or spread out.

Added 10/1/2014 5:41:54 AM

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Confirmed by sujaysen [10/1/2014 7:10:54 AM]

alfred123

A convex lens is a lens such that a beam of light passing through it is brought to a point or focus.

Added 10/1/2014 5:42:33 AM

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Confirmed by sujaysen [10/1/2014 7:12:21 AM]

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a lighted match and a lamp are examples of light sources.

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can you hear an echo in a furnished room?

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Updated 10/31/2022 7:42:23 PM

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Jona11

The reason that echoes aren't heard in rooms is that the reflected sounds are received in less than 0.1 seconds, or the reflecting surfaces are at distances of less than 17 meters.

Added 10/31/2022 7:42:23 PM

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