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Author Question: A particular sound with large intensity is reduced 1000-fold. What is the decibel ... (Read 17 times)

Garrulous

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

30 dB

Answer to Question 2

d


Garrulous

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Reply 2 on: Jul 28, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Excellent

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