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Author Question: Light from a 560-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at ... (Read 70 times)

Mr.Thesaxman

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on: Jul 28, 2018
Light from a 560-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 30. What is the angle of reflection from the surface?
 a. 30
  c. 60
  b. 75
  d. 15

Question 2

An inventor develops a stationary cycling device by which an individual, while pedaling, can convert all of the energy expended into heat for warming water. What minimum power must be generated if 300 g of water (enough for 1 cup of coffee) is to be heated in 10 min from 30C to 90C? (1 cal = 4.186 J, the specific heat of water is 4 186 J/kg  C)
 a. 9400 W
  c. 160 W
  b. 590 W
  d. 130 W


amy.lauersdorf90

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

A

Answer to Question 2

D


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