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Author Question: A light wave traveling in air strikes a plane mirror surface at an angle of 30 relative to the ... (Read 148 times)

geodog55

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on: Jul 28, 2018
A light wave traveling in air strikes a plane mirror surface at an angle of 30 relative to the normal. The wave is reflected at an angle of
 a. 30 relative to the surface.
  b. 30 relative to the normal.
  c. 60 relative to the normal.
  d. none of these.

Question 2

Assume we can determine the position of a particle within an uncertainty of 0.5 nm. What will be the resulting uncertainty in the particle's momentum (in kg  m/s)?
 a. 1.9  1025
  b. 4.2  1025
  c. 1.1  1025
  d. 1.3  1024
  e. 6.6  1025


dreamfighter72

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

b

Answer to Question 2

c


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geodog55

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Reply #2 on: Jul 28, 2018
Thanks


dreamfighter72

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Reply #3 on: Jul 28, 2018
Welcome :)


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