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The color of an iridescent object, like a butterfly wing
Chapter 28, Problem 12CQ(choose chapter or problem)
Problem 12CQ
The color of an iridescent object, like a butterfly wing or a feather, appears to be different when viewed from different directions. The color of a painted surface appears the saine from all viewing angles. Explain the difference.
Questions & Answers
QUESTION:
Problem 12CQ
The color of an iridescent object, like a butterfly wing or a feather, appears to be different when viewed from different directions. The color of a painted surface appears the saine from all viewing angles. Explain the difference.
ANSWER:
Solution 12CQ
Step 1 of 2
In iridescent objects, it behaves like a thin film. So, reflections are possible from the top and bottom portions. So, there will be a chance for interference of the reflected rays from the object. When we are viewing it from different directions, the wavelength will be changed due to the change in the angle of the view.