Resonance occurs when a 200-Hz tuning fork encounters a sound ...

[kodithompson]

Resonance occurs when a 200-Hz tuning fork encounters a sound wave with a frequency of
 
  A) 150 Hz.
  B) 200 Hz.
  C) 300 Hz.
  D) any of the above
  E) none of the above

Question 2

You slowly rub your wet finger around the thin rim of a wine glass while you hold its base firmly to a tabletop with your other hand. The resulting sounds illustrates
 
  A) forced vibrations.
  B) resonance.
  C) both of these
  D) none of the above

[mmpiza]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: C