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Author Question: The wavelength of light in a thin film is 360 nm and the wavelength of light in vacuum is 469 nm. ... (Read 210 times)

rayancarla1

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on: Jul 29, 2018
The wavelength of light in a thin film is 360 nm and the wavelength of light in vacuum is 469 nm. What is the index of refraction for the film?
 
  A) 1.10
  B) 1.30
  C) 1.50
  D) 1.70
  E) 1.90

Question 2

A glass plate that is 2.5 cm long is separated from another glass plate at one end by a strand of someone's hair that is 0.010 mm in diameter. How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?
 
  What will be an ideal response?


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ngr69

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

B

Answer to Question 2

0.75 mm


rayancarla1

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


ngr69

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


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