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Author Question: A particular sound with large intensity is reduced 1000-fold. What is the decibel ... (Read 54 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
:D TYSM


epscape

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

 

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