Thin Lenses: Types & Measurement


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What is the defining trait of a thin lens?

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1. If the focal length of a lens is 1/3 meters, what is the diopter of that lens?

2. What happens to light when it passes through a convex lens?

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About This Quiz & Worksheet

With this quiz and worksheet, you can find out how much you know about the characteristics of thin lenses in a short amount of time. You'll need to know what happens to light that passes through a convex lens, among other details.

Quiz & Worksheet Goals

You'll be quizzed on the following:

  • The trait that defines thin lenses
  • Calculating the diopter of a lens based on its focal length
  • How light behaves when passing through a convex lens
  • Where to find the focal point of a diverging lens
  • Term for a lens with two concave surfaces

Skills Practiced

  • Problem solving - use acquired knowledge to calculate the diopter of a lens
  • Information recall - access the knowledge you've gained about the defining trait of a thin lens
  • Interpreting information - verify that you can read information about the focal point of a diverging lens and interpret it correctly

Additional Learning

To take a closer look at this topic, review the lesson titled Thin Lenses: Types & Measurement. Here's a quick look at what's covered in this lesson:

  • How lenses are measured
  • Lenses used by magnifying glasses, microscopes, and cameras
  • The definition of 'meniscus lenses'