Question 1

A decibel is a measure of a sound's

Accepted Answer

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

Question 2

The pitch of a musical sound is most related to

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 3

How many octaves exist between 40 hertz and 1280 hertz?

Accepted Answer

A) 5 
B) 6 
C) 7 
D) 8 
E) 9 
A) 5 
B) 6 
C) 7 
D) 8 
E) 9

Question 4

The strings in musical instruments that have greater mass tend to produce notes of

Accepted Answer

A) higher frequency. 
B) lower frequency. 
C) the same frequency. 
D) none of the above 
A) higher frequency. 
B) lower frequency. 
C) the same frequency. 
D) none of the above

Question 5

Which of these strongly relate to a piano string?

Accepted Answer

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

Question 6

The frequency of a note one octave higher in pitch than a 440-Hz note is

Accepted Answer

A) 1760 Hz. 
B) 880 Hz. 
C) 440 Hz. 
D) 220 Hz. 
E) 110 Hz. 
A) 1760 Hz. 
B) 880 Hz. 
C) 440 Hz. 
D) 220 Hz. 
E) 110 Hz.

Question 7

How many octaves exist between 20 hertz and 2560 hertz?

Accepted Answer

A) 5 
B) 6 
C) 7 
D) 8 
E) 9 
A) 5 
B) 6 
C) 7 
D) 8 
E) 9

Question 8

How many octaves exist between 100 hertz and 1600 hertz?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 7 
E) 8 
A) 4 
B) 5 
C) 6 
D) 7 
E) 8

Question 9

Each note on a piano keyboard has its own

Accepted Answer

A) pitch. 
B) loudness. 
C) wavelength. 
D) amplitude. 
E) none of the above 
A) pitch. 
B) loudness. 
C) wavelength. 
D) amplitude. 
E) none of the above

Question 10

The number of nodes in a standing wave of three 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 11

Fourier analysis is something accomplished

Accepted Answer

A) with all musical instruments. 
B) automatically by humans. 
C) both of these 
D) neither of these 
A) with all musical instruments. 
B) automatically by humans. 
C) both of these 
D) neither of these

Question 12

Compared to noise, musical sounds have

Accepted Answer

A) periodic tones. 
B) musical notes. 
C) both of these 
D) neither of these 
A) periodic tones. 
B) musical notes. 
C) both of these 
D) neither of these

Question 13

As we become older, the frequency range of human hearing

Accepted Answer

A) decreases. 
B) increases. 
C) remains relatively constant. 
A) decreases. 
B) increases. 
C) remains relatively constant.

Question 14

Compared to a sound of 30 decibels, the intensity of a sound of 60 decibels is

Accepted Answer

A) twice as intense. 
B) 10 times as much. 
C) 100 times as much. 
D) 1000 times as much. 
E) 10,000 times as much. 
A) twice as intense. 
B) 10 times as much. 
C) 100 times as much. 
D) 1000 times as much. 
E) 10,000 times as much.

Question 15

Which of these strongly relate to a saxophone and clarinet?

Accepted Answer

A) vibrating air 
B) length of tube. 
C) both of these 
D) neither of these 
A) vibrating air 
B) length of tube. 
C) both of these 
D) neither of these

Question 16

The laser light that can carry more information is

Accepted Answer

A) red. 
B) blue. 
C) either of these 
D) neither of these 
A) red. 
B) blue. 
C) either of these 
D) neither of these

Question 17

The frequencies needed to reproduce high-quality sounds are

Accepted Answer

A) within the range of hearing. 
B) beyond the range of hearing. 
C) centered about 2000 hertz. 
D) none of the above 
A) within the range of hearing. 
B) beyond the range of hearing. 
C) centered about 2000 hertz. 
D) none of the above

Question 18

The quality of a musical note has to do with its

Accepted Answer

A) loudness. 
B) frequency. 
C) harmonics. 
D) amplitude. 
E) none of the above 
A) loudness. 
B) frequency. 
C) harmonics. 
D) amplitude. 
E) none of the above

Question 19

Fourier analysis makes central use of

Accepted Answer

A) wave superposition. 
B) partial tones. 
C) harmonics. 
D) none of the above 
A) wave superposition. 
B) partial tones. 
C) harmonics. 
D) none of the above

Question 20

The wind instrument with no keys or valves is a

Accepted Answer

A) trumpet. 
B) saxophone. 
C) clarinet. 
D) bugle. 
A) trumpet. 
B) saxophone. 
C) clarinet. 
D) bugle.

Exam 21: Musical Sounds

A decibel is a measure of a sound's

The pitch of a musical sound is most related to

How many octaves exist between 40 hertz and 1280 hertz?

The strings in musical instruments that have greater mass tend to produce notes of

Which of these strongly relate to a piano string?

The frequency of a note one octave higher in pitch than a 440-Hz note is

How many octaves exist between 20 hertz and 2560 hertz?

How many octaves exist between 100 hertz and 1600 hertz?

Each note on a piano keyboard has its own

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

Fourier analysis is something accomplished

Compared to noise, musical sounds have

As we become older, the frequency range of human hearing

Compared to a sound of 30 decibels, the intensity of a sound of 60 decibels is

Which of these strongly relate to a saxophone and clarinet?

The laser light that can carry more information is

The frequencies needed to reproduce high-quality sounds are

The quality of a musical note has to do with its

Fourier analysis makes central use of

The wind instrument with no keys or valves is a

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