Image Formation

Short Description of Topic

In order to view an object, you must sight along a line at that object; and when you do light will come from that object to your eye along the line of sight.

The Main Idea

Image formation by a lens depends upon the wave property called refraction.The speed of light is slower in glass than in the air, therefore a light ray will be bent upon entering and upon exiting a lens in a way that depends upon the shape and curvature of the lens.

The Thin Lens Equation

There is a geometrical relationship between the focal length of a lens (f), the distance from the lens to the bright object and the distance from the lens to the projected image. This is given by the thin lens equation.

A Computational Model

How do we visualize or predict using this topic. Consider embedding some vpython code here Teach hands-on with GlowScript

Examples

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