Using Light: Concave and Convex Lenses

The video tutorial explains what lenses are, their uses in everyday objects like eyeglasses and cameras, and their properties as transparent materials that bend light. It distinguishes between the two main types of lenses: concave and convex, describing their physical characteristics. The tutorial concludes with an example of a convex lens used in a magnifying glass to enlarge objects.

What is a lens and how does it function?

In what objects are lenses commonly used?

What are the two main types of lenses?

Describe the characteristics of concave lenses.

How do convex lenses affect the appearance of objects?