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N=0.780X10^29 [1/m^3] The charge of electron is e=1.6x10^-19 [C], vacuum permittivity is 8.85x10-12 [F/m], mass of...

N=0.780X10^29 [1/m^3] The charge of electron is e=1.6x10^-19 [C], vacuum permittivity is 8.85x10-12 [F/m], mass of electron is m=9.11x10^-31 [Kg], and absorption wavelength is about 137nm. Calculate the index of refraction at 520[nm].

solve with values given some are approximations.

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