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Author Question: Light behaves primarily as a wave when it A) travels from one place to another. B) interacts ... (Read 37 times)

futuristic

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on: Jul 29, 2018
Light behaves primarily as a wave when it
 
  A) travels from one place to another.
  B) interacts with matter.
  C) both of these
  D) neither of these

Question 2

What is the power of a lens that has a focal length of -40 cm?
 
  A) -2.5 diopters
  B) -4.0 diopters
  C) +4.0 diopters
  D) +2.5 diopters
  E) +2.7 diopters


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joechoochoy

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

Answer: A

Answer to Question 2

A


futuristic

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Reply 2 on: Jul 29, 2018
Excellent

duy1981999

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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