Lesson: Convex Lenses

In this lesson, we will learn how to define a convex lens, describe the paths of light rays refracted through these lenses, and explain how rays are focused by such lenses.

Video

17:56

Sample Question Videos

06:15
04:39
02:20

Worksheet: 10 Questions • 3 Videos

Q1:

Which of the objects shown in the diagram is a convex lens?

Q2:

Light rays diverging from a point are incident on a convex lens, as shown in the diagram. Which of the other diagrams, (A), (B), (C), and (D), most correctly shows the directions of the rays that exit the lens?

Q3:

Which line on the left-hand side of the lens is normal to the surface at the point that the line contacts the surface?

Which line on the right-hand side of the lens is normal to the surface at the point that the line contacts the surface?

Preview Download