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Author Question: Two slits are illuminated with red light ( = 650 nm). The slits are 0.25 mm apart and the distance ... (Read 113 times)

PhilipSeeMore

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Two slits are illuminated with red light ( = 650 nm). The slits are 0.25 mm apart and the distance to the screen is 1.25 m. What fraction of the maximum intensity on the screen is the intensity measured at a distance 3.0 mm from the central maximum?
 a. 0.94
  b. 0.92
  c. 0.96
  d. 0.98
  e. 0.99

Question 2

Which of the following is(are) believed to be material that never collected into a single planet?
 a. Asteroids
  b. Meteoroids
  c. Comets
  d. Interplanetary dust



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yasmin

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Answer to Question 1

a

Answer to Question 2

a




yasmin

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