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Author Question: At the first maxima on either side of the central bright spot in a double-slit experiment, light ... (Read 68 times)

mikaylakyoung

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on: Jul 27, 2018
At the first maxima on either side of the central bright spot in a double-slit experiment, light from each opening arrives
 
  A) in phase.
  B) 90 out of phase.
  C) 180 out of phase.
  D) 45 out of phase.
  E) -45 out of phase.

Question 2

How much compressional stress builds up in a thick aluminum bar held between 2 immovable walls if the temperature increases by 20. C? ( = 24.  10-6 C-1, Y = 7  1010 N/m2)
 
  A) 34.  105 N/m2
  B) 34.  107 N/m2
  C) 34.  106 N/m2
  D) 34.  104 N/m2
  E) 34.  108 N/m2


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jaykayy05

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


mikaylakyoung

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Reply 2 on: Jul 27, 2018
:D TYSM

rachel

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Reply 3 on: Yesterday
Excellent

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