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Optics applets

Reflection of light from smooth and rough surfaces
Notice there is no explanation of 'why' light reflects. i.e. what's going on at an atomic level 4 Star
First law of reflection
Nice introduction 4 Star
       
To show angle of Incidence = angle of reflection
Nice introduction 4 Star
Image Distance = Object Distance
Nice applet showing the the path taken by light as it reflects off the mirror. 4 Star
Slight variation on the above. 3 Star
       
Shadows
You can drag the light bulb and the kids around and watch the size of the shadow change. 3 Star