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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.
Q1:
The two convex lenses shown have different focusing powers.
Which is the more powerful lens?
How many times is the more powerful lens more powerful?
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:
At which of the points , , , , and shown in the diagram is the angle of refraction greatest?
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