What are Lenses and its Types in Physics

Lenses and its Types in Physics

 

Lenses

A transparent and smooth glass or any refracting medium surrounded by two spherical surfaces is known as lens.

 

Types of Lenses

 

There are two types of lenses:

 

  1. Convex Lens:

 

If the glass is thick at the center and thin at the edges then it is known as convex lens, It is a converging lens

It has three types:

 

Double Convex Lens

Plano Convex Lens

Concavo Convex Lens

 

  1. Concave Lens:

 

If the lens is thinner in the center and thicker at the edges then it is known as a concave lens. It is a diverging lens.

 

It has three types:

 

Double Concave Lens

Plano Concavo Lens

Convex Concave Lens

 

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