A small air bubble is 3.9 cm below the surface of a clear piece of plastic with an index of n = 1.65. When an opaque disk is placed directly over the bubble the bubble cannot be seen from above from any angle. What is the smallest radius of the disk?

A small air bubble is 3.9 cm below the surface of a clear piece of plastic with an index of n = 1.65. When an opaque disk is placed directly over the bubble the bubble cannot be seen from above from any angle. What is the smallest radius of the disk?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 61P

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