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Author Question: A beam of X-rays of different frequencies is reflected at 10 degrees off a crystal of interatomic ... (Read 68 times)

storky111

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on: Jul 28, 2018
A beam of X-rays of different frequencies is reflected at 10 degrees off a crystal of interatomic spacing 0.2 nm. Which X-ray wavelength is preferentially reflected?
 a. 0.0943 nm
  b. 0.139 nm
  c. 0.069 5 nm
  d. 1.02  10-10 m
  e. 3.47  10-11 m

Question 2

In an X-ray diffraction experiment using X-rays of l = 0.500  10-10 m, a first-order maximum occurred at 5.00. Find the crystal plane spacing.
 a. 2.87  10-10 m
  b. 1.36  10-10 m
  c. 6.24  10-9 m
  d. 1.93  10-9 m
  e. 5.74  10-9 m


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sylvia

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

C

Answer to Question 2

A


storky111

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


sylvia

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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