Optics Discovery Kit
Experiment #10 : HOLOGRAMS


WHAT YOU NEED: Hologram, Cardboard, Bright Light

VIEW THE HOLOGRAM Put the hologram on a piece of cardboard so that it is net. Hold it so that a single bright light is shining on its surface. Tilt the hologram to different angles until you can see clearly everything which has been recorded on it.
1) What image is on the hologram?
2) What do you see happening to the image as you change the angle of the hologram a little bit?
3) How is the hologram different from an ordinary photograph or slide?

HOW IS THIS USEFUL? Holograms are able to produce 3-dimensional pictures from a fiat piece of film. Some holograms can show all sides of an object on one piece of film. They can be used to make very life-like images of many things. Engineers can make holograms of machine parts to test for wear and weak places. Holograms are used on some credit cards to make it difficult for counterfeiters to make fake ones.

List of Other Experiments


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