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Author Question: A soap bubble (n = 1.35) is floating in air. If the thickness of the bubble wall is 115 nm, what ... (Read 124 times)

j.rubin

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on: Jul 28, 2018
A soap bubble (n = 1.35) is floating in air. If the thickness of the bubble wall is 115 nm, what visible light wavelength is most strongly reflected?

Question 2

Suppose two flat glass plates 30-cm long are in contact along one end and separated by a human hair at the other end. If the diameter of the hair is 50 mm, find the separation of the interference fringes when the plates are illuminated by green light, l = 546 nm.


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Meganchabluk

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Reply #1 on: Jul 28, 2018
Answer to Question 1

621 nm (red)

Answer to Question 2

1.64 mm


j.rubin

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Reply 2 on: Jul 28, 2018
Excellent

Dominic

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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