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26.1 Exercise 1

Avg difficulty 2.5

A tree that is 3 m tall is viewed from a distance of 25 m. If the cornea-to-retina distance of an ideal eye is 2 cm, how tall is the image of the tree on the observer’s retina?

  1. 0.24 cm
  2. 0.5 cm
  3. 0.5 m
  4. 0.08 cm

OpenStax College Physics 2e, 26.1 Physics of the Eye, exercise 1

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.