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Author Question: The reason that a surface appears darker when wet has to do with A) the darkness of liquids. B) ... (Read 48 times)

washai

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on: Jul 29, 2018
The reason that a surface appears darker when wet has to do with
 
  A) the darkness of liquids.
  B) conversion of light to lower frequencies.
  C) absorption of multiply-reflecting light inside the wet region.

Question 2

According to the law of reflection, the incident ray, reflected ray, and normal between them
 
  A) lie in the same plane.
  B) may or may not lie in the same plane.
  C) lie in planes that are perpendicular to one another.


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cdmart10

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


washai

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

mohan

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Reply 3 on: Yesterday
Excellent

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