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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 126 times)

dakota nelson

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

a

Answer to Question 2

a


dakota nelson

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Reply 2 on: Jul 28, 2018
Gracias!

bimper21

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

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