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Author Question: A Young's double-slit apparatus is set up so that a screen is positioned 1.6 m from the double ... (Read 201 times)

jho37

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on: Jul 28, 2018
A Young's double-slit apparatus is set up so that a screen is positioned 1.6 m from the double slits, and the spacing between the two slits is 0.0315 mm. What is the distance between alternating bright fringes on the screen if the light source has a wavelength of 630 nm? (1 nm = 10-9 m)
 a. 0.016 m
  c. 0.025 m
  b. 0.047 m
  d. 0.032 m

Question 2

In a Young's double-slit interference apparatus, by what factor is the distance between adjacent light and dark fringes changed when the wavelength of the source is doubled?
 a. 1/2
  c. 1
  b. 1/4
  d. 2


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miss.ashley

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

D

Answer to Question 2

D


jho37

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Reply #2 on: Jul 28, 2018
Thanks


miss.ashley

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Reply #3 on: Jul 28, 2018
Welcome :)


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