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L4-31. Disappearance of Glass In Liquid

Purpose

To demonstrate how index of refraction affect what we see in a fluid bath.

Images

l4-31

Description

Glass seems to disappear when immersed in a liquid with the same index of refraction. The bottles, left to right,contain air, water, and two with microscope immersion oil, a liquid with almost the same index of refraction as glass. Bottles are available to pass around class.

References

Donald K. Day, A Safe Pyrex "Vanishing Solution," TPT 15, 438, (1977). Walter C. Connolly, and Thomas L. Rokoske, The Disappearing Dropper, TPT 18, 467, (1980).

L. Geometrical Optics

L. Geometrical Optics

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