1. ) for resonance to occur, the object must experience a frequency equal to its
a.) natural frequency
b.) period
c.) wavelength
d) amplitude
2.) how does tightening a string on a guitar affect its natural frequency? i
a.) the natural frequency increases
b.) the natural frequency stays the same
c.) the natural frequency fluctuates
d.) the natural frequency decreases
3.) resonance in air columns is used in which of these musical instruments?
a.) drums
b.) guitar
c.) violin
d.) trumpet
4.)which term describes the number of crests that pass a point in a given amount of time?
a.) wavelength
b.) wave speed
c.) period
d.) frequency
5.) what sound frequency could a human detect?
a.) 1 hertz
b.) 10 hertz
c.) 50 hertz
d.) 50,000 hertz
(did not mean to put under social studies)