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Author Question: A particular sound with large intensity is reduced 1000-fold. What is the decibel ... (Read 55 times)

Garrulous

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A particular sound with large intensity is reduced 1000-fold. What is the decibel reduction?

Question 2

An electron is accelerated through a potential difference of 25000 V. What is the de Broglie wavelength of the electron (in m)?
 a. 5.9  1012
  b. 6.8  1012
  c. 6.5  1012
  d. 7.8  1012
  e. 5.5  1012



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sailorcrescent

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Answer to Question 1

30 dB

Answer to Question 2

d




Garrulous

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review


pangili4

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Reply 3 on: Yesterday
Gracias!

 

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