One of the beams of an interferometer (Fig. 34-27)passes
Chapter 34, Problem 34.42(choose chapter or problem)
One of the beams of an interferometer (Fig. 34-27)passes through a small evacuated glass container 1.155 cmdeep. When a gas is allowed to slowly fill the container, atotal of 176 dark fringes are counted to move past a referenceline. The light used has a wavelength of 632.8 nm.Calculate the index of refraction of the gas at its finaldensity, assuming that the interferometer is in vacuum.FIGURE 34-27 42.
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