Light has a wavelength of 340.0 nm and a frequency of 5.403 × 1014 Hz when traveling through a certain substance. What substance from Table 26.1 could this be? Show your calculations.

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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.