6A40 Refractive Index

Refraction/reflection from plastic-Video

demonstration image
Catalog: 
6A42.12
Location: 
3_1
Video Encyclopedia :Rotate a rectangle of plastic in a single beam of light.

Small refraction tank - Video

demonstration image
Catalog: 
6A42.43B
Location: 
3_1
Video Encyclopedia :Position a lamp in an opaque tank so the filament cannot be seen, then add water until the light from the filament is seen over the edge of the tank.

Critical Angle in Swimming Pool - Video

Catalog: 
6A44.20D
Location: 
3_1
Cinema Classics: Refraction: Light - Swimming Pool. Underwater camera views woman sitting by the pool with her feet in the water. At first you see all of her but as the angle changes only her feet can be seen accompanied by a set of inverted feet. Ray diagrams explain the phenomena.

Acrylic/lead glass refraction - Video

demonstration image
Catalog: 
6A42.47
Location: 
3_1
Video Encyclopedia :Hold a stick behind stacked lead glass and acrylic blocks. The image of the stick is shifted when viewed off the normal to the surface of the blocks.

Three prism stack - Video

demonstration image
Catalog: 
6A42.51
Location: 
3_1
Video Encyclopedia :A stack of three prisms of different glass, and index of refraction, shows different refraction and dispersion.

Critical angle/total internal refl.-Video

demonstration image
Catalog: 
6A44.20B
Location: 
3_1
Video Encyclopedia :Shine a beam through the side of a tank containing fluorscein. Rotate a mirror in the tank so the beam passes through the critical angle.

Light Pipes - Video

demonstration image
Catalog: 
6A44.40C
Location: 
3_1
Video Encyclopedia :Shine a laser into a curved plastic rod.

Optical path in fibers - Video

demonstration image
Catalog: 
6A44.41
Location: 
3_1
Video Encyclopedia :Shine a laser down a bent rectangular bar.

Laser waterfall - Video

demonstration image
Catalog: 
6A44.45
Location: 
3_1
Video Encyclopedia :Shine a laser down the center of a nozzle and it follows the water stream.

Silver soot ball - Video

demonstration image
Catalog: 
6A44.55
Location: 
3_1
Video Encyclopedia :A ball coated with soot appears silver in water.

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