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Author Question: Suppose you sound a 1056-Hz tuning fork when you strike a note on the piano and hear 2 beats/second. ... (Read 126 times)

PhilipSeeMore

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on: Jul 29, 2018
Suppose you sound a 1056-Hz tuning fork when you strike a note on the piano and hear 2 beats/second. You tighten the piano string very slightly and now hear 3 beats/second. What is the frequency of the piano string?
 
  A) 1053 Hz
  B) 1054 Hz
  C) 1056 Hz
  D) 1058 Hz
  E) 1059 Hz

Question 2

Sound interference with a pair of radio loudspeakers can be nicely demonstrated when the
 
  A) radio signal is monaural for each.
  B) input and output of the speakers are reversed.
  C) speakers are brought face to face.
  D) all of the above
  E) none of the above


allisonblackmore

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

Answer: E

Answer to Question 2

Answer: D


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PhilipSeeMore

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


allisonblackmore

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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