Physics Technology Update (4th Edition)

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

Chapter 28 - Physical Optics: Interference and Diffraction - Conceptual Questions - Page 1003: 12

Answer

Please see the work below.

Work Step by Step

We know that in case of iridescent objects, the colors are reflected from different directions -- for example, one from the top and the other reflection from the bottom of the object. On the other hand, in case of a pointed object, we have only one reflection of a given color. Thus, we see the same color irrespective of the viewing angles.
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