Gregg, J. B. [from old catalog] · Ada, Ohio, The University herald press · leaf 79
Reflection Apparatus. Refraction Apparatus. Pass the light through the different openings, keeping themirror parallel with the diameter of the semicircle. 2. Index of Refraction. Pass light through the slit in the rearof the refraction apparatus, and notice the angle made withthe normal. Fill the…
Physics
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