Video Instruction






How to make things 'disappear'.

Steve Spangler YouTube Channel






Try this at home

Show Me The Physics
YouTube Channel


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Fill In the Blank Notes


C. Refraction – the bending of light that occurs when a light wave passes through a boundary between two media

Waves, Refraction, Velocity, Wavelength

[ Flash ]


Waves, Refraction, Velocity, Wavelength

Slow to Fast Medium

[ Flash ]


Any device with a lens refracts light



Refraction - Flash
[ HTML5 ]
Show Me The Physics






A pencil in water
demonstrates refraction





The faster the medium, the larger the angle a light ray makes
with the normal







Top Medium is faster







Refraction 2



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