Two nist sites have given the wavelengths of red light from
Two NIST sites have given the wavelengths of red light from a He-Ne laser to be 632.99139822 nanometer in vacuum and 632.81646 nanometer in air. Obtain the index of refraction of the air in this case?
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two nist sites have given the wavelengths of red light from a he-ne laser to be 63299139822 nanometer in vacuum and
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