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Author Question: A dolphin perceives greater detail by emitting sounds of A) lower frequency. B) higher ... (Read 128 times)

Chelseaamend

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on: Jul 29, 2018
A dolphin perceives greater detail by emitting sounds of
 
  A) lower frequency.
  B) higher frequency.
  C) greater intensity.
  D) greater speed.
  E) none of the above

Question 2

A razor blade nicely shows diffraction fringes when illuminated with
 
  A) ultraviolet light.
  B) monochromatic light.
  C) sunlight.
  D) all of the above
  E) none of the above


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kalskdjl1212

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

Answer: B

Answer to Question 2

Answer: B


Chelseaamend

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Reply 2 on: Jul 29, 2018
Wow, this really help

steff9894

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Reply 3 on: Yesterday
Excellent

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