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Mathematics 15 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 HANK YOU SO MUCH

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