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Author Question: An optical fiber is made of clear plastic with index of refraction n = 1.50 . For what angles with ... (Read 111 times)

AEWBW

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An optical fiber is made of clear plastic with index of refraction n = 1.50 . For what angles with the surface will light remain within the plastic guide?
 a. j < 66.6
  c. j < 51.7
  b. j < 41.8
  d. j < 57.1

Question 2

Dmitri places one end of a copper rod in a heat reservoir and the other end in a heat sink. By what factor is the rate of heat flow changed when the temperature difference between the reservoir and sink is doubled?
 a. 2.0
  c. 4.0
  b. 1/2
  d. 1/4



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sokh

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Answer to Question 1

B

Answer to Question 2

A



AEWBW

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Both answers were spot on, thank you once again



sokh

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