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Solved: A microscope is focused on the upper surface of a
Chapter 34, Problem 80P(choose chapter or problem)
Problem 80P
A microscope is focused on the upper surface of a glass plate. A second plate is then placed over the first. To locus 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 2.50 mm. Find the index of refraction of the second plate.
Questions & Answers
QUESTION:
Problem 80P
A microscope is focused on the upper surface of a glass plate. A second plate is then placed over the first. To locus 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 2.50 mm. Find the index of refraction of the second plate.
ANSWER:
Solution
Step 1
The microscope should focus on the top of the second slide.The image is 2.50mm below the top surface s’=-2.50mm.The apparent depth of the second slide is therefore 2.50mm.