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Author Question: In an X-ray diffraction experiment using X-rays of = 0.500 1010 m, a first-order maximum occurred ... (Read 51 times)

CBme

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on: Jul 28, 2018
In an X-ray diffraction experiment using X-rays of  = 0.500  1010 m, a first-order maximum occurred at 5.00. Find the crystal plane spacing.
 a. 2.87  1010 m
  b. 1.36  1010 m
  c. 6.24  109 m
  d. 1.93  109 m
  e. 5.74  109 m

Question 2

The Moon always presents the same face to Earth because
 a. the Moon does not rotate on its axis.
  b. the Moon rotates on its axis at same rate at which it revolves around Earth.
  c. the Moon revolves around the Sun in one month.
  d. none of these


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Joc

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

a

Answer to Question 2

b


CBme

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

bdobbins

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Reply 3 on: Yesterday
Excellent

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