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Author Question: A laser beam strikes a plane's reflecting surface with an angle of incidence of 43. What is the ... (Read 81 times)

123654777

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on: Jul 29, 2018
A laser beam strikes a plane's reflecting surface with an angle of incidence of 43. What is the angle between the incident ray and the reflected ray?
 
  A)
 
  43
  B)
 
  86
  C)
 
  45
  D)
 
  90
  E)
 
  0

Question 2

The potential outside a uniformly charged sphere is the same as if all the charge were concentrated at its center.
 
  Indicate whether the statement is true or false


Perkypinki

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

B

Answer to Question 2

TRUE


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123654777

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Reply #2 on: Jul 29, 2018
Thank you!


Perkypinki

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Reply #3 on: Jul 29, 2018
Always glad to help...


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