A small pin on a flat table is viewed from \(30\text{ cm}\) directly above. If the pin is viewed from the same point through a glass slab of thickness \(10\text{ cm}\) and refractive index 1.6, how far it appears to be raised?

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Your answer seems reasonable.
Find out if you're right!