The solution of the problem 3.53 cr 3 from the problem

The solution of the problem 3.53 cr 3 from the problem

Task 3.53
Find the ratio of the group velocity to the phase velocity for light with a wavelength of 0.6 μm in a medium with an exponent
Refraction ratio is 1.5 and the variance is 5 • 104 m-1.

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