Engineering Physics 4 min read
The Wonder of Accommodation
While the entire surface of the retina contains nerve cells, there is a small portion with a diameter of approximately…
THE LATEST THINKING
Every story.
Browse our articles in publication order, with new stories added automatically.
Engineering Physics 7 min read
Image Formation and Detection
Earlier in Lesson 6, we learned that the eye consists of a cornea (thin outer membrane), a lens attached tociliary muscles, and…
Engineering Physics 4 min read
The Eye
The Anatomy of the Eye The human eye is a complex anatomical device that remarkably demonstrates the architectural wonders of…
Engineering Physics 13 min read
The Mathematics of Lenses
Ray diagrams can be used to determine the image location, size, orientation and type of image formed of objects when…
Engineering Physics 6 min read
Diverging Lenses – Ray Diagrams
Earlier in Lesson 5, we learned how light is refracted by double concave lens in a manner that a virtual…
Engineering Physics 6 min read
Converging Lenses – Object-Image Relations
Previously in Lesson 5, ray diagrams were constructed in order to determine the general location, size, orientation, and type of…
Engineering Physics 10 min read
Converging Lenses – Ray Diagrams
One theme of the Reflection and Refraction units of The Physics Classroom Tutorial has been that we see an object because light…
Engineering Physics 6 min read
Image Formation Revisited
One major principle discussed in both Unit 13 and Unit 14 of The Physics Classroom Tutorial is the line of sight…
Engineering Physics 11 min read
Refraction by Lenses
We have already learned that a lens is a carefully ground or molded piece of transparent material that refracts light rays in such a…
Engineering Physics 5 min read
Image Formation by Lenses
The Anatomy of a Lens If a piece of glass or other transparent material takes on the appropriate shape, it…
Engineering Physics 6 min read
Mirages
Most of our discussion of refraction in this unit has pertained to the refraction of light at a distinct boundary. As light…
Engineering Physics 6 min read
Rainbow Formation
One of nature’s most splendid masterpieces is the rainbow. A rainbow is an excellent demonstration of the dispersion of light and one…
