Category Archives: How can human vision be enhanced?

Physics Girl – Why do mirrors flip horizontally (but not vertically)?

Why do mirrors appear to flip images horizontally but not vertically?

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Physics Girl – How Rainbows Form

The physics behind rainbows and surprising facts about rainbows.

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Reflection and mirrors quiz

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Refraction and lenses quiz

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A Real Image – Exploratorium

A tour guide demonstrates a giant concave mirror that creates a perfect image.

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Optics & vision podcast

The human eye, Near point, Lens power, Short sightedness (Myopia), Long sightedness (Hypermetropia), Using lenses Download the notes. Download the video.

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Lenses podcast

Refraction, Converging lens, Diverging lens, Images in convex (converging) lenses, The human eye, Images in concave (diverging) lenses, The lens & mirror equation, Image formation – summary Download the notes. Download the video.

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Mirrors podcast

Reflection – formation of images, Reflection in concave mirrors, Reflection in convex mirrors, The lens & mirror equation Download the notes. Download the video.

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Reflection and Refraction of Light Waves (Explanation by Huygens’ Principle)

One of the many great learning objects from Walter Fendt (http://www.walter-fendt.de)

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Reflection & refraction podcast

Reflection, Formation of images, Refraction, Refractive index, Snell’s law, Total internal refraction , Critical angle, Apparent depth, Dispersion of colour Download the notes. Download the video.

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