A 1056-hertz tuning fork is sounded at the same time a piano note ...

[WWatsford]

A 1056-hertz tuning fork is sounded at the same time a piano note is struck. You hear three beats per second. What is the frequency of the piano string?
 
  A) 1056 hertz
  B) 1059 hertz
  C) 1053 hertz
  D) 3168 hertz
  E) need more information

Question 2

A piano tuner knows that a key on the piano is tuned to the frequency of a test tuning fork when the fork and key struck at same time produce beats of
 
  A) 0 Hz.
  B) 1 Hz.
  C) 2 Hz.
  D) 3 Hz.
  E) 4 Hz.

[ririgirl15]

Answer to Question 1

Answer: E

Answer to Question 2

Answer: A