Question

write about biconvace lens

Answer 1

The Biconcave Lenses are often used to expand light beams or to increase focal lengths in optical systems, and are normally used in combination with other lenses.

Following is the structure of a brocnavae lense.


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Answer 2

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Biconcave Lenses: Properties and Uses

What are Biconcave lenses?


Biconcave lenses or simply concave lenses are negative lenses. Unlike convex lenses, concave lenses diverge light rays (or spread out light rays). A biconcave lens will cause light rays spread out from a specific focal point and so these lenses have negative focal length.

Concave lenses curve inward towards the center from the edges. This helps the light rays to get diverged as it passes through the lens. That’s all about the basics of a Biconcave lens. Now, let’s read further and understand some of the major properties of a biconcave lens or a concave lens.

Properties of a Biconcave Lens

A biconcave lens has the ability to diverge light (spread out light)They are curved inward at the centerBiconvex lenses negative focal lengthThey produce a virtual imageThe images produced by concave lenses are upright imagesThey produce images with reduced size

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