Problem 33.2: Focal length of concave mirror, beam source

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A beam of light is incident upon a mirror. You can click-drag both the position and angle of this beam (position is given in meters and angle is given in degrees). Restart. Find the focal length of the mirror.

Problem authored by Melissa Dancy.


Physlets were developed at Davidson College and converted from Java to JavaScript using the SwingJS system developed at St. Olaf College.

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