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Lenses Sample Problems

Describe the image mathematically and using a ray diagram. Find the magnification ratio. Always use a 1 cm high object.

  1. An object is placed 30 cm in front of a convex lens with a 10 cm focal length.
  2. An object is placed 10 cm in front of a convex lens with a 6 cm focal length.
  3. An object is placed 5 cm in front of a convex lens with a 10 cm focal lenght.
  4. An object is placed 15 cm in front of a concave lens with an 8 cm focal length.
  5. An object is placed 3 cm in front of a concave lens with a 5 cm focal length.

Refraction and Lenses Notes

Refraction Sample Problems

Refraction Homework

Lenses Homework