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Author Question: In a double-slit experiment, the distance between the slits is 0.2 mm, and the distance to the ... (Read 69 times)

cmoore54

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on: Jul 28, 2018
In a double-slit experiment, the distance between the slits is 0.2 mm, and the distance to the screen is 150 cm. What wavelength (in nm) is needed to have the intensity at a point 1 mm from the central maximum on the screen be 80 of the maximum intensity?
 a. 900
  b. 700
  c. 500
  d. 300
  e. 600

Question 2

Two slits are illuminated with red light (l = 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


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Ddddd

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

A

Answer to Question 2

A


cmoore54

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Reply 2 on: Jul 28, 2018
:D TYSM

jojobee318

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Reply 3 on: Yesterday
Excellent

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