Question 1

Which of these sounds characterize "white noise"?

Accepted Answer

A) surf 
B) rustling leaves 
C) bubbling water 
D) all of the above 
E) none of the above 
A) surf 
B) rustling leaves 
C) bubbling water 
D) all of the above 
E) none of the above D

Question 2

The fundamental frequency of a violin string is 440 hertz. The frequency of its second harmonic is

Accepted Answer

A) 220 hertz. 
B) 440 hertz. 
C) 880 hertz. 
D) none of the above 
A) 220 hertz. 
B) 440 hertz. 
C) 880 hertz. 
D) none of the above C

Question 3

Double the frequency of musical note and you double its

Accepted Answer

A) wavelength. 
B) speed. 
C) amplitude. 
D) all of the above 
E) none of the above 
A) wavelength. 
B) speed. 
C) amplitude. 
D) all of the above 
E) none of the above E

Question 4

High-pitched sound has a high

Accepted Answer

A) speed. 
B) rate of vibration. 
C) both of these 
D) neither of these 
A) speed. 
B) rate of vibration. 
C) both of these 
D) neither of these

Question 5

The loudness of a sound is most closely related to its

Accepted Answer

A) speed. 
B) frequency. 
C) wavelength. 
D) intensity. 
A) speed. 
B) frequency. 
C) wavelength. 
D) intensity.

Question 6

Vibrating air columns relate to which instrument?

Accepted Answer

A) guitar 
B) harp 
C) trumpet 
D) all of the above 
E) none of the above 
A) guitar 
B) harp 
C) trumpet 
D) all of the above 
E) none of the above

Question 7

The pitch of a guitar relates to the string's

Accepted Answer

A) length. 
B) tension. 
C) mass. 
D) all the above 
E) none of the above 
A) length. 
B) tension. 
C) mass. 
D) all the above 
E) none of the above

Question 8

Whereas loudness is a physiological sensation, sound intensity is

Accepted Answer

A) the same. 
B) measurable with acoustical instruments. 
C) both of these 
D) neither of these 
A) the same. 
B) measurable with acoustical instruments. 
C) both of these 
D) neither of these

Question 9

As we grow older, the greatest hearing difficulty is with frequencies that are

Accepted Answer

A) low. 
B) mid-range. 
C) high. 
A) low. 
B) mid-range. 
C) high.

Question 10

What is the threshold of hearing?

Accepted Answer

A) 0.1 decibel 
B) 0.01 decibel 
C) 1 decibel 
D) 10 decibel 
E) none of the above 
A) 0.1 decibel 
B) 0.01 decibel 
C) 1 decibel 
D) 10 decibel 
E) none of the above

Question 11

The number of nodes in a standing wave of one wavelength, not including the endpoints, is

Accepted Answer

A) 0. 
B) 1. 
C) 2. 
D) 3. 
E) 4. 
A) 0. 
B) 1. 
C) 2. 
D) 3. 
E) 4.

Question 12

Which makes central use of the binary system?

Accepted Answer

A) phonograph records 
B) DVDs 
C) both of these 
D) neither of these 
A) phonograph records 
B) DVDs 
C) both of these 
D) neither of these

Question 13

Which of these relate most to the loudness of sound?

Accepted Answer

A) wavelength. 
B) frequency. 
C) speed. 
D) amplitude. 
E) all of the above 
A) wavelength. 
B) frequency. 
C) speed. 
D) amplitude. 
E) all of the above

Question 14

Fourier discovered that periodic waves can be represented by

Accepted Answer

A) a series of non-periodic waves. 
B) the summation of a series of simple sine waves. 
C) a binary code. 
D) pulses of the same amplitude. 
A) a series of non-periodic waves. 
B) the summation of a series of simple sine waves. 
C) a binary code. 
D) pulses of the same amplitude.

Question 15

Analog sound signals are produced by

Accepted Answer

A) phonograph records. 
B) CDs. 
C) DVDs. 
D) all of the above 
E) none of the above 
A) phonograph records. 
B) CDs. 
C) DVDs. 
D) all of the above 
E) none of the above

Question 16

Musical tones are characterized by

Accepted Answer

A) pitch. 
B) loudness. 
C) quality. 
D) all of the above 
E) none of the above 
A) pitch. 
B) loudness. 
C) quality. 
D) all of the above 
E) none of the above

Question 17

Sounds from musical instruments are produced by

Accepted Answer

A) vibrating strings. 
B) vibrating air columns. 
C) percussion. 
D) all of the above 
E) none of the above 
A) vibrating strings. 
B) vibrating air columns. 
C) percussion. 
D) all of the above 
E) none of the above

Question 18

The number of nodes in a standing wave of two wavelengths, not including the endpoints, is

Accepted Answer

A) 2. 
B) 3. 
C) 4. 
D) 5. 
E) 6. 
A) 2. 
B) 3. 
C) 4. 
D) 5. 
E) 6.

Question 19

Double the frequency of a musical note and you halve its

Accepted Answer

A) wavelength. 
B) speed. 
C) amplitude. 
D) all of the above 
E) none of the above 
A) wavelength. 
B) speed. 
C) amplitude. 
D) all of the above 
E) none of the above

Question 20

Reverberation is a phenomenon you would be most likely to hear if you sing in

Accepted Answer

A) the shower. 
B) a small drape-covered room. 
C) a large drape-covered room. 
D) the desert. 
A) the shower. 
B) a small drape-covered room. 
C) a large drape-covered room. 
D) the desert.

Exam 21: Musical Sounds

Which of these sounds characterize "white noise"?

The fundamental frequency of a violin string is 440 hertz. The frequency of its second harmonic is

Double the frequency of musical note and you double its

High-pitched sound has a high

The loudness of a sound is most closely related to its

Vibrating air columns relate to which instrument?

The pitch of a guitar relates to the string's

Whereas loudness is a physiological sensation, sound intensity is

As we grow older, the greatest hearing difficulty is with frequencies that are

What is the threshold of hearing?

The number of nodes in a standing wave of one wavelength, not including the endpoints, is

Which makes central use of the binary system?

Which of these relate most to the loudness of sound?

Fourier discovered that periodic waves can be represented by

Analog sound signals are produced by

Musical tones are characterized by

Sounds from musical instruments are produced by

The number of nodes in a standing wave of two wavelengths, not including the endpoints, is

Double the frequency of a musical note and you halve its

Reverberation is a phenomenon you would be most likely to hear if you sing in

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