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For the liquids in Table 26.1, determine the smallest critical angle for light that originates in one

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For the liquids in Table 26.1, determine the smallest critical angle for light that originates in one of them and travels toward the air-liquid interface.
For the liquids in Table 26.1, determine the smallest critical
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Table 26.1 Index of Refraction for Varlous Substances Index of Refraction, n Substance Solids at 20 °C Diamond Glass, crown 2.419 1.523 1.309 1.544 Sodium chloride Quartz 1.544 1.458 Crystalline use Liquids at 20 ℃ Benzene Carbon disulfide Carbon tetrachloride1.461 1.501 1.632 1.362 1.333 Ethyl alcohol Water Gases at 0 °C, 1 atm Air Carbon dioxide Oxygen, O2 Hydrogen, H2 1.000 293 1.000 45 1.000 271 1.000 139 Measured with light whose wavelength in a vacuum is 589 nm.

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Physics

Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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Using a few basic physics principles, you can impress your friends with a trick that makes a bottle disappear. For this experiment, you will need a mini plastic bottle, glycerin, a glass, and a funnel. First, open the bottle and pour some glycerin into it, then close the bottle tightly. Next, pour some water into the glass using a funnel. Place the mini bottle into the glass of water and it will look normal. This is because light travels through air faster than it travels through the glass and water, allowing our eyes to see the bottle inside the glass. However, when you fill the mini bottle with more glycerin, and pour glycerin into the glass, then put the glycerin filled bottle into the glass with glycerin in it. Half of the bottle that is submerged in the glycerin will become invisible as the light travels through glass and glycerin at the same speed, thus it does not bend and no refraction takes place, making the bottle invisible. This happens because both glass and glycerin have almost the same refractive index, which causes the speed of light to be the same in both mediums, causing no bending of light and making the bottle disappear.

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