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###### Light with frequency of 4 1014 Hz propagates is glass. What is the frequency, what is the speed of propagation and wavelength of the light; when the speed of light in vacuum is 3 . 108# the index of refraction of glass relative t0 the air IS nair glass = 1.5. Please, use the following approximation: take the speed of light in air same as it is in vacuum:

Light with frequency of 4 1014 Hz propagates is glass. What is the frequency, what is the speed of propagation and wavelength of the light; when the speed of light in vacuum is 3 . 108# the index of refraction of glass relative t0 the air IS nair glass = 1.5. Please, use the following approximation: take the speed of light in air same as it is in vacuum:

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