Explain lens with its working

Lenses are basically magnifying glasses with curved sides. A lens is a piece of transparent glass that concentrates or disperses light rays when passes through them by refraction.

Explanation

A lens is a transmissive optical device that focuses or disperses light beams by means of refraction. A lens can direct light to form an image, unlike a prism, which refracts light without focusing.

Working of lens

The lens is a piece of transparent glass that concentrates or disperses light rays when passes through them by refraction.

  • A lens works by refraction: it bends light rays as they pass through it so they change direction.
  • That means the rays appear to originate from a point that’s closer or further away from where they actually originate—and that’s what causes objects seen through a lens to appear either bigger or smaller than they really are.

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