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Author Question: A ray of light travels from a glass-to-liquid interface at an angle of 41.8. Indices of refraction ... (Read 108 times)

cool

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on: Jul 28, 2018
A ray of light travels from a glass-to-liquid interface at an angle of 41.8. Indices of refraction for the glass and liquid are, respectively, 1.52 and 1.63 . What is the angle of refraction for the ray moving through the liquid?
 a. 23.2
  c. 32.3
  b. 46.0
  d. 38.4

Question 2

A steel wire, 100 m long at 10C, has a coefficient of linear expansion of 11  10-6/C. Give its change in length as the temperature changes from 10C to 45C.
 a. 0.65 cm
  c. 5.8 cm
  b. 3.8 cm
  d. 12 cm


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mcomstock09

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

D

Answer to Question 2

B


cool

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

tranoy

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Reply 3 on: Yesterday
Excellent

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