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Author Question: A ray of white light, incident upon a glass prism, is dispersed into its various color components. ... (Read 146 times)

geoffrey

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on: Jul 28, 2018
A ray of white light, incident upon a glass prism, is dispersed into its various color components. Which one of the following colors experiences the least angle of deviation?
 a. orange
  c. green
  b. violet
  d. red

Question 2

Suppose the ends of a 20-m long steel beam are rigidly clamped at 0C to prevent expansion. The rail has a cross-sectional area of 15 cm2 . What force does the beam exert when it is heated to 40C? (asteel = 1.1  10-5/C, Ysteel = 2.0  1011 N/m2)
 a. 2.6  105 N
  c. 1.3  105 N
  b. 5.6  104 N
  d. 6.5  102 N


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diesoon

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

D

Answer to Question 2

C


geoffrey

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Reply 2 on: Jul 28, 2018
:D TYSM

Dominic

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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