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physics

a ray of light (f = 5.09 x 10^14 Hz) traveling in air strikes a block of sodium chloride at an angle of incidence of 30 degrees. What is the angle of refraction for the light ray in the sodium chloride?

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  1. Google the refractive index of sodium chloride. Let the value be n. Then solve with the simple

    n = sin i/sin r

    The given frequency of speed of light in air is not useful.

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  2. 19

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  3. i nedd thw work

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