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Author Question: A diver shines light upward to the surface of a smooth pond at 20 to the normal. Most light passes ... (Read 121 times)

ARLKQ

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on: Jul 29, 2018
A diver shines light upward to the surface of a smooth pond at 20 to the normal. Most light passes into the air above while the part that reflects back into the water makes an angle to the normal of
 
  A) less than 20.
  B) 20.
  C) more than 20.
  D) all refracts, none reflects.

Question 2

When a light beam emerges from water into air, light speed
 
  A) increases.
  B) decreases.
  C) remains the same.


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harveenkau8139

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

Answer: B

Answer to Question 2

Answer: A


ARLKQ

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Reply #2 on: Jul 29, 2018
Thanks


harveenkau8139

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Reply #3 on: Jul 29, 2018
Welcome :)


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