1. A vibrating string is cut in half. The fundamentalfrequency of the string will be...
a. doubled
b. unchanged
c. reduced by half
2.On a pipe organ, for a closed pipe, if you double thelength of the pipe, what happens to the fundamentalfrequency?
a. It does not change.
b. It doubles.
c. It is reduced by half.
d. It is reduced by 1/4.
e. It is increased 4x.
3. When you blow gently across the top of a particularsoda bottle, it emits a tone. The column of air in the bottle isvibrating up and down in its fundamental mode. If you replace theair in the bottle with something heavier than air (like carbondioxide) and then blow gently across the top of the bottle, it willemit
a) a higher pitched tone. b) a tone at the same pitch asbefore.
c) no sound at all. d) a lower pitched tone.
9. If you blow across the top of a half full bottle ofsoda you can produce a clear tone. If you take a drink of soda toreduce the amount of liquid in the bottle and try this again thepitch (frequency) of the sound produced will
a) increase. b) stay the same.
c) exactly double. d) decrease.
