# 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

Note: In most cases, not only the student but also the teacher will act in a similar way, because he is a living person. And thus only increase the negative in your address. But the teacher, most likely, is much older than you by age, so it’s much more difficult for him to depart from life’s misfortunes. And besides the unbecoming attitude of students to himself, he has a lot of other, much more serious, problems. For example, the salary for which you somehow manage to live.  It is also important that a student, who tries and studies well, the teacher will eventually turn his attention. And it is possible that he can even ask him to carry out a task that goes beyond the curriculum, for example, to prepare a scientific article for the SSS (Student Scientific Society). Such associations exist in any normal university in the country. Their activity, first of all, is aimed at developing the students’ skills in research work. And the fact that the instructor instructed you to perform scientific work is an order from a higher authority. But, in any case, from now on the student and teacher become a single team. And in order to get the desired result, that is, to achieve victory in a scientific conference, they must work together.

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