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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 181 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
Wow, this really help

mochi09

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

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Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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