Задача 40844.

Towards monochromatic light with a wavelength of 0.6 microns is a plane-parallel glass plate is d = 0,1 mm. Light falls on the plate normal. How to change the optical path length, if the glass plate to replace silicon monoxide with a refractive index n = 2,0?

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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