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Author Question: The de Broglie wavelength of which of the following objects would be smallest if the objects had the ... (Read 16 times)

kellyjaisingh

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on: Jul 28, 2018
The de Broglie wavelength of which of the following objects would be smallest if the objects had the same velocity?
  a. Electron.
  b. Proton.
  c. Tennis ball.
  d. Bowling ball.
  e. All the same wavelength.

Question 2

Which of the following statements is not true about x-ray scattering (in crystals) and its importance?
 
a. It showed that electromagnetic radiation diffracts and interferes like a wave.
  b. It ruled out the corpuscle model of light.
  c. It helped uncover the crystalline structures of many solids.
  d. It helped scientists more accurately measure x-ray wavelengths.
  e. Rosalind Franklin used the scattering to model molecules of DNA.


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ambernicolefink

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

d,
The de Broglie wavelength of matter is proportional to Planck's constant and inversely proportional to the momentum of the particle. If all the objects had the same velocity, this one would have the smallest wavelength because its momentum would be smallest

Answer to Question 2

b.
X-ray scattering did not rule out the corpuscle model of light, but merely showed another use of light in investigating the structure of matter.


kellyjaisingh

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Reply 2 on: Jul 28, 2018
Gracias!

dawsa925

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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