Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 26 - Geometrical Optics - Conceptual Questions - Page 938: 12

Answer

Please see the work below.

Work Step by Step

If the index of refraction of the dropper is equal to the index of refraction of the liquid in which it is placed, then the dropper is not visible. In the given scenario, the oil used in the bottle has an index of refraction that is equal to the index of refraction of the eye dropper, which is why it is not visible.
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