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

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

330 m/s

343 m/s

300 m/s

2 / 40

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

Ultrasound

Infrasound

Supersound

3 / 40

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

Frequency

Period

Wavelength

4 / 40

The primary cause of sound absorption in a room is?

Soft materials

Hard materials

Reflective surfaces

5 / 40

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

Resonance

Echo

Doppler effect

6 / 40

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

Refraction

Diffraction

Reflection

7 / 40

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

0.21111111111111

0.12638888888889

0.084027777777778

8 / 40

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

Pitch

Amplitude

Timbre

9 / 40

The distance between successive crests of a wave is called?

Frequency

Amplitude

Wavelength

10 / 40

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

523.25 Hz

261.63 Hz

440 Hz

11 / 40

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

Ossicles

Cochlea

Eardrum

12 / 40

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

Material

Width

Length

13 / 40

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

Damping

Interference

Resonance

14 / 40

The phenomenon of sound waves bending around obstacles is called?

Refraction

Diffraction

Reflection

15 / 40

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

10,000 - 20,000 Hz

20 - 200 Hz

2,000 - 5,000 Hz

16 / 40

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

Transverse

Longitudinal

Surface

17 / 40

What type of wave is sound in air?

Surface

Longitudinal

Transverse

18 / 40

Which part of a string instrument primarily affects its timbre?

Body shape

String thickness

String length

19 / 40

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

Boyle's law

Bernoulli's principle

Pascal's law

20 / 40

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

Resonance

Doppler effect

Refraction

21 / 40

The speed of sound is fastest in which medium?

Gas

Liquid

Solid

22 / 40

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

Distance between waves

Number of waves passing a point per second

Height of the wave

23 / 40

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

Doppler effect

Conservation of energy

Hooke's law

24 / 40

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

Harmonic

Overtone

Fundamental frequency

25 / 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

26 / 40

The frequency range of a piano is approximately?

27.5 Hz to 4,186 Hz

16 Hz to 20,000 Hz

40 Hz to 5,000 Hz

27 / 40

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

Diffraction

Interference

Reflection

28 / 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 effect

Doppler phenomenon

29 / 40

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

Amplitude

Wavelength

Frequency

30 / 40

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

Reverb

Beat

Echo

31 / 40

The inverse of the period of a wave is called?

Amplitude

Wavelength

Frequency

32 / 40

The device used to visually represent sound waves is called?

Barometer

Oscilloscope

Seismograph

33 / 40

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

The lowest frequency

The highest frequency

The middle frequency

34 / 40

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

Harmonic frequency

Fundamental frequency

Resonant frequency

35 / 40

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

Beaufort scale

Richter scale

Decibel scale

36 / 40

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

Doppler effect

Resonance

Refraction

37 / 40

The unit of frequency is?

Hertz (Hz)

Decibel (dB)

Pascal (Pa)

38 / 40

The unit of sound pressure level is?

Watt (W)

Hertz (Hz)

Decibel (dB)

39 / 40

The unit of measurement for sound intensity is?

Pascal (Pa)

Decibel (dB)

Hertz (Hz)

40 / 40

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

Timbre

Pitch

Dynamics

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