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Author Question: The trapping of light in light pipes, or fiber optics, is due to a. total internal reflection. b. ... (Read 84 times)

dakota nelson

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The trapping of light in light pipes, or fiber optics, is due to
 a. total internal reflection.
  b. refraction.
  c. absorption of the outside light.
  d. diffraction.

Question 2

Boat 1 goes directly across a stream a distance L and back taking a time t1 . Boat 2 goes down stream a distance L and back taking a time t2 . If both boats had the same speed relative to the water, which of the following statements is true?
 a. t2 > t1
  b. t2 < t1
  c. t2 = t1
  d. t2 = 2t1
  e. t2 = 0.5t1



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14vl19

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Answer to Question 1

a

Answer to Question 2

a




dakota nelson

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Reply 2 on: Jul 28, 2018
Wow, this really help


ryansturges

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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