CSDS 103 Exam #! Practice test - part 4

Create an image of sound waves with different frequencies represented visually, combining elements of musical instruments and sound measurement tools in a colorful design.

Sound Waves and Frequencies Quiz

Test your knowledge of sound waves, harmonics, and intensity levels with our comprehensive quiz! This quiz is designed for students studying acoustics and sound engineering, providing a challenging yet engaging experience.

10 multiple-choice questions
Focus on music theory, physics of sound, and practical applications
Instant feedback for all questions

10 Questions2 MinutesCreated by VibratingSound42

Suppose the fundamental frequency of a complex periodic wave is 400 Hz. What would be the frequency of the second harmonic?

600Hz

800Hz

1000 Hz

1200 Hz

Suppose the fundamental frequency of a complex periodic wave is 400 Hz. What would be the frequency of the third harmonic?

800Hz

1000Hz

1200Hz

1500Hz

Suppose the fundamental frequency of a complex periodic wave is 400 Hz. What would be the frequency of the fourth harmonic?

800Hz

1500Hz

1600 Hz

4000 Hz

Suppose the fundamental frequency of a complex periodic wave is 400 Hz. What would be the frequency of the fifth harmonic?

1000Hz

2000Hz

3000Hz

4000Hz

The inverse square law states that as the distance from a sound doubles the intensity decreases by 8dB

True

False

The intensity of a teacher’s voice is 75dB at a distance of three feet away from the child. If the child is moved to be six feet away from the teacher, what is the intensity level of the teacher's voice?

57dB

63dB

69dB

71dB

The intensity of a teacher’s voice is 75dB at a distance of three feet away from the child. If the child is moved to be twelve feet away from the teacher, what is the intensity level of the teacher's voice?

57dB

63dB

69dB

71dB

The intensity of a teacher’s voice is 75dB at a distance of three feet away from the child. If the child is moved to be twenty four feet away from the teacher, what is the intensity level of the teacher's voice?

57dB

63dB

69dB

71dB

The difference in decibels between a signal and a noise present at the same time is the ____________

Relative frequency

Sound Pressure Level

Intensity Level

Signal to noise ratio

A teacher is speaking at a volume of 50dB and at the same time a fan is blowing in the classroom at 30dB. What is the signal to noise ratio?

+20dB

-20dB

-80dB

+80dB

CSDS 103 Exam #! Practice test - part 4

Sound Waves and Frequencies Quiz

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