17. Light in a vacuum is incident on a transparent glass slab. The angle of incidence is 35.0°. The slab is then immersed in a pool of liquid. When the angle of incidence for the light striking the slab is 20.3°, the angle of refraction for the light entering the slab is the same as when the slab was in a vacuum. What is the index of refraction of the liquid?
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In the first scenario, the light is traveling from a vacuum into the glass slab. The index of refraction of a vacuum is 1, so we can write the equation as 1*sin(35.09°) = n_glass*sin(θ2), where n_glass is the index of refraction of the glass and θ2 is the angle Show more…
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Light in a vacuum is incident on a transparent glass slab. The angle of incidence is $35.0^{\circ} .$ The slab is then immersed in a pool of liquid. When the angle of incidence for the light striking the same $20.3^{\circ},$ the angle of refraction for the light entering the slab is the same as when the slab was in a vacuum. What is the index of refraction of the liquid?
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