What is the difference between a concave and a convex lens?

Understand the difference between concave and convex lenses, including their shapes, how they affect light, and their applications in optical devices.

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Concave vs. Convex Lens

Concave and convex lenses are two types of lenses that have distinct shapes and properties. Understanding the differences between these two types of lenses is essential in optics and lens design.

Concave Lens

A concave lens is thinner at the center and thicker at the edges. It causes light rays to diverge or spread out when they pass through it. This lens is also known as a diverging lens. Concave lenses are used in correcting myopia or nearsightedness. They also find applications in devices like projectors and cameras to create virtual images.

Convex Lens

In contrast, a convex lens is thicker at the center and thinner at the edges. It converges light rays towards a focal point. Convex lenses are often referred to as converging lenses. They are commonly used in magnifying glasses, cameras, microscopes, and telescopes to produce real and magnified images.

Key Differences

The primary difference between concave and convex lenses lies in their behavior towards light rays. Concave lenses diverge light rays, while convex lenses converge them. This fundamental distinction in their optical properties leads to different applications and uses in various optical systems and devices.

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Reem
11 Ques 1 Ans
answered 26 Aug 2024

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