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Physics 20 Online
OpenStudy (anonymous):

Experiment to determine the refractive index of a rectangular glass block i ° Cos e ° Distance btw the normal and the pin NZ Distance from incidence ray to refractive ray RZ X =NZ ÷ RZ 70 1. 10 4 . 60 60 1. 70 4 . 80 50 2. 10 5 . 00 40 2. 60 5 . 20 30 3. 40 5 . 60 plot a graph of Cos e ° against X Determine the slope of the graph and comment on the parameter that the slope represent

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