Answer: A microscope is focused on the upper surface of a
Chapter 34, Problem 34.74(choose chapter or problem)
A microscope is focused on the upper surface of a glass plate. A second plate is then placed over the first. To focus on the bottom surface of the second plate, the microscope must be raised 0.780 mm. To focus on the upper surface, it must be raised another 2.10 mm. Find the index of refraction of the second plate.
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