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Author Question: Light of wavelength 540 nm is incident on a slit of width 0.150 mm, and a diffraction pattern is ... (Read 71 times)

captainjonesify

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on: Jul 28, 2018
Light of wavelength 540 nm is incident on a slit of width 0.150 mm, and a diffraction pattern is produced on a screen that is 3.00 m from the slit. What is the width of the central bright fringe? (1 nm = 10-9 m)
 a. 1.44 cm
  c. 2.16 cm
  b. 0.720 cm
  d. 1.76 cm

Question 2

In a Young's double-slit experiment, by how many wavelengths do the paths from the slits to the screen differ for the m = 3 and the m = 8 minima?
 a. 10
  b. 2.5
  c. 5
  d. Some other value than those given since this is for destructive interference.


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pikon

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

C

Answer to Question 2

C


captainjonesify

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Reply 2 on: Jul 28, 2018
Gracias!

ryansturges

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Reply 3 on: Yesterday
Excellent

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