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CPOA questions with correct answers
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The raiot of the speed of light in air to the speed of light in another medium is called the ____. A. Index of reflection B. Angle of reflection C. Index of refraction D. Angle of refraction CORRECT ANSWER-C. Index of refraction The index of refraction 1.523 is for which of the following media? A. ophthalmic crown glass B. Polymethylmethacrylate PMMA C. Flint Glass D. water CORRECT ANSWER-A. ophthalmic crown glass Light waves produce vision in humans by stimulating the _____. A. cornea and sclera B. Iris and pupil C. Rods and Cones D. Aqueous and vitreous CORRECT ANSWER-C. Rods and Cones What is the speed of light in air? A. 180,000 mph B. 186,000 mph C. 180 miles per second D. 186,000 miles per second CORRECT A
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