Musical Acoustics MCQs with Answers

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Musical Acoustics Online Quiz

By presenting 3 options to choose from, Musical Acoustics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Musical Acoustics Questions and Answers and click over the correct answer.

• Test Name: Musical Acoustics MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Musical Acoustics

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1 / 40

Which part of a string instrument primarily affects its timbre?

String thickness

String length

Body shape

2 / 40

What is the phenomenon where two waves superimpose to form a resultant wave of greater, lower, or the same amplitude?

Diffraction

Reflection

Interference

3 / 40

The phenomenon where a sound wave bounces off a surface is called?

Refraction

Diffraction

Reflection

4 / 40

The device used to visually represent sound waves is called?

Barometer

Oscilloscope

Seismograph

5 / 40

The measure of the highness or lowness of a sound is called?

Amplitude

Pitch

Timbre

6 / 40

What is the name of the natural frequency of an object where it vibrates at maximum amplitude?

Harmonic frequency

Fundamental frequency

Resonant frequency

7 / 40

What is the term for the lowest natural frequency of a vibrating object?

Harmonic

Overtone

Fundamental frequency

8 / 40

The principle stating that pressure is inversely proportional to volume at constant temperature is?

Boyle's law

Bernoulli's principle

Pascal's law

9 / 40

The distance between successive crests of a wave is called?

Frequency

Amplitude

Wavelength

10 / 40

The term for a change in frequency due to the motion of a sound source or observer is?

Resonance

Doppler effect

Echo

11 / 40

Which type of wave has oscillations perpendicular to the direction of the wave's advance?

Surface

Longitudinal

Transverse

12 / 40

The perceived pitch of a siren as it approaches and then moves away from an observer changes due to?

Resonance

Doppler effect

Refraction

13 / 40

What is the effect called when two sound waves of slightly different frequencies interfere?

Reverb

Beat

Echo

14 / 40

The effect where sound frequency seems higher as the source approaches and lower as it moves away is called?

Refraction

Doppler effect

Resonance

15 / 40

The speed of sound in air at 20°C is approximately?

343 m/s

300 m/s

330 m/s

16 / 40

The frequency range of a piano is approximately?

27.5 Hz to 4,186 Hz

40 Hz to 5,000 Hz

16 Hz to 20,000 Hz

17 / 40

In terms of wave motion, what is the definition of 'frequency'?

Height of the wave

Number of waves passing a point per second

Distance between waves

18 / 40

The unit of frequency is?

Hertz (Hz)

Decibel (dB)

Pascal (Pa)

19 / 40

The unit of measurement for sound intensity is?

Decibel (dB)

Pascal (Pa)

Hertz (Hz)

20 / 40

The phenomenon of sound waves bending around obstacles is called?

Diffraction

Reflection

Refraction

21 / 40

A musical interval of an octave corresponds to a frequency ratio of?

0.084027777777778

0.12638888888889

0.21111111111111

22 / 40

The primary cause of sound absorption in a room is?

Hard materials

Soft materials

Reflective surfaces

23 / 40

The component of a sound wave that determines its loudness is?

Wavelength

Frequency

Amplitude

24 / 40

What is the name of the effect that describes the perceived change in frequency of a wave in relation to an observer?

Doppler shift

Doppler phenomenon

Doppler effect

25 / 40

The inverse of the period of a wave is called?

Frequency

Wavelength

Amplitude

26 / 40

The unit of sound pressure level is?

Watt (W)

Decibel (dB)

Hertz (Hz)

27 / 40

The principle stating that the total energy in a closed system remains constant is?

Doppler effect

Hooke's law

Conservation of energy

28 / 40

What is the term for the quality of a musical note that distinguishes different types of sound production?

Timbre

Dynamics

Pitch

29 / 40

The part of a musical instrument that determines its pitch is usually its?

Length

Width

Material

30 / 40

The part of the ear that converts sound vibrations into electrical signals is?

Eardrum

Ossicles

Cochlea

31 / 40

The term for sound waves with frequencies above 20,000 Hz is?

Supersound

Ultrasound

Infrasound

32 / 40

What is the fundamental frequency of a string vibrating in its first harmonic?

The lowest frequency

The middle frequency

The highest frequency

33 / 40

The speed of sound is fastest in which medium?

Gas

Solid

Liquid

34 / 40

What type of wave is sound in air?

Transverse

Longitudinal

Surface

35 / 40

What is the term for the time it takes for one complete cycle of a wave to pass a given point?

Period

Wavelength

Frequency

36 / 40

The term for the increase in amplitude when the frequency of an applied force matches the natural frequency of a system is?

Damping

Resonance

Interference

37 / 40

The range of frequencies that humans are most sensitive to is?

20 - 200 Hz

2,000 - 5,000 Hz

10,000 - 20,000 Hz

38 / 40

Which scale is commonly used to measure the loudness of sound?

Richter scale

Beaufort scale

Decibel scale

39 / 40

The range of human hearing is typically between?

50 Hz to 15,000 Hz

20 Hz to 20,000 Hz

10 Hz to 25,000 Hz

40 / 40

The frequency of middle C (C4) on the piano is approximately?

261.63 Hz

523.25 Hz

440 Hz

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