Tutorial information on the refraction of light by lenses is available at The Physics Classroom Tutorial
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The Shockwave Player plug-in cannot be installed on mobile phones, tablets such as the iPad, and Chromebooks. Don't worry ... we have you covered. For a similar experience, try our HTML5 Interactive titled Optics Bench
at the Physics Interactives section of our website. You'll find it works quite well on most all devices.
Visit the HTML5 Version of Optics Bench