Geometric Optics Test.doc

# Geometric Optics Test.doc - AP Physics Geometric Optics...

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AP Physics - Geometric Optics Test Name: 1) (20 points) A student is asked to determine the index of refraction of a glass slab. She conducts several trials for measurement of angle of incidence a in the air versus angle of refraction g in the glass at the surface of the slab. She records her data in the following table. The index of refraction of air is 1.0. a) Plot the data points on the axes below and draw a best-fit line for the data. b) Calculate the index of refraction of the glass slab from your best-fit line. Show work below.

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c) Describe how you could use the graph to determine the critical angle for the glass-air interface. Do not use the answer to part (b) for this purpose. d) On the graph in (a), sketch and label a line for a material of higher index of refraction. 2) (20 points) A thin convex lens A of focal length f A = 10 cm is positioned on an x -axis as shown below. An object of height 5 cm, represented by the arrow, is positioned 15 cm to the left of lens A .
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