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Author Question: If the wavelength of light in vacuum is 469 nm, what is the wavelength of light in a thin film of ... (Read 168 times)

melly21297

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on: Jul 29, 2018
If the wavelength of light in vacuum is 469 nm, what is the wavelength of light in a thin film of index of refraction 1.42?
 
  A) 110 nm
  B) 220 nm
  C) 330 nm
  D) 440 nm
  E) 550 nm

Question 2

Apart from the effects of other planets, the orbit of Mercury precesses because
 
  A) Mercury travels faster than any other planet.
  B) Mercury's orbit is nearly circular.
  C) of pronounced variations in Mercury's orbit about the Sun.


Rilsmarie951

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

Answer: C


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melly21297

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


Rilsmarie951

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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