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Compare the measured refractive index of three liquids against the unknown values and to then use the technique to measure the refractive of an unknown liquid.
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Compare the measured refractive index of three liquids against the unknown values and to then use the technique to measure the refractive of an unknown liquid. Diagram Pilot A pilot experiment was carried out, using a Perspex block. The block was placed onto a piece of paper and drawn around to ensure that the block remained in the same place throughout the entire duration of the experiment. The normal was also drawn and from this, five different angles of incidence were drawn. These were placed at 10,20,30,40 and 50. At each angle of incidence a ray of light was shone and the light that entered and exited the Perspex block was noted and the angle of refraction measured. Method Refraction is caused by the change in speed of light when it passes into a medium that has a different optical density to air or the medium through which it is passing. A...
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