Finding the Index Of Refraction

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Abhinav Jain

Physics HL 2

Period 3

Mr. Lamb

28th October, 2009

Finding the Index Of Refraction

The following table shows the angles of incidence and the angles of refraction measured for a light passing between air and another medium.

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Now, looking at Snell’s law where n1sinθ1 = n2sinθ2

n1 = 1.00 because that’s the assigned value for the index of refraction of light in the air.

Therefore, in order to find the index of refraction of light in the object used = n2, one must do the graph the following,

n2 = sinθ1 / sinθ2

The following table converts all the above values.

Uncertainty calculated by taking the range of highest possible values to lowest possible angle values and taking their average which resulted in ± 0.04

Range of values for n2 = ...

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