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Author Question: A fast-moving ball is more easily seen if it is A) red. B) orange. C) yellow-green. D) ... (Read 27 times)

Kikoku

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on: Jul 29, 2018
A fast-moving ball is more easily seen if it is
 
  A) red.
  B) orange.
  C) yellow-green.
  D) green-blue.
  E) violet.

Question 2

What color is fully transmitted in common window glass?
 
  A) red
  B) yellow
  C) green
  D) blue
  E) all of the above


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wuly

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

Answer: C

Answer to Question 2

Answer: E


Kikoku

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


wuly

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


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