Acoustics Exam Questions And Answers

50 Questions | By Kubo | Updated: Jul 24, 2022 | Attempts: 4889

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Are you preparing for your physics exam and looking for some practice questions and answers based on acoustics? Well, you have reached the right place. The following quiz contains questions related to acoustics that will test your knowledge regarding it. Acoustics is a branch of physics that is concerned with the production, control, transmission, and effects of a sound. Do you know everything about the sound system? Take the test and check your understanding for the same. Good luck!

Questions and Answers

1.

Elements of acoustic, except for?
- A.
  
  Sound source
- B.
  
  Sound transmission path
- C.
  
  Sound receiver
- D.
  
  Sound subdivision
2.

The repetition of a sound produced by the "reflection of sound waves" from an obstructing surface, loud enough and received late enough to be perceived as distinct from the source?
- A.
  
  Wavelength
- B.
  
  Reflective sound
- C.
  
  Diffused sound
- D.
  
  Echo
3.

The intensification and prolongation of sound produced by sympathetic vibration?
- A.
  
  Echo
- B.
  
  Resonance
- C.
  
  Loudness
- D.
  
  Volume
4.

A driving force in tune with the natural frequency?
- A.
  
  Echo
- B.
  
  Resonance
- C.
  
  Phon
- D.
  
  Volume
5.

Unit of loudness level?
- A.
  
  Phon
- B.
  
  Volume
- C.
  
  Amplitude
- D.
  
  Loud
6.

Defined as "that attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to "LOUD"?
- A.
  
  Loudness
- B.
  
  Volume
- C.
  
  Resonance
- D.
  
  Amplitude
7.

Amplitude is a function of the sound wave's loudness of the sound pressure.
- A.
  
  True
- B.
  
  False
8.

The volume of the sound?
- A.
  
  Amplitude
- B.
  
  Loudness
- C.
  
  Sound intensity
- D.
  
  Noise
9.

The unit of the sound?
- A.
  
  Phon
- B.
  
  Volume
- C.
  
  DB
- D.
  
  Frequency
10.

Unwanted sound?
- A.
  
  Heavy metal rock
- B.
  
  Noise
- C.
  
  Sound decay
- D.
  
  Baby crying out loud
11.

If a sound can travel between concrete walls, does sound can travel under the water?
- A.
  
  Yes
- B.
  
  No
12.

The number of occurrences of a repeating event per unit time?
- A.
  
  Sound cycle
- B.
  
  Frequency
- C.
  
  Wavelength
- D.
  
  Echo
13.

Speed of sound?
- A.
  
  Velocity
- B.
  
  Intensity
- C.
  
  Wavelength
- D.
  
  Sound travel
14.

A so called "One energy, one frequency". A tone with a sinusoidal waveform?
- A.
  
  Unity sound
- B.
  
  Mono waveform
- C.
  
  Pure
- D.
  
  Sine frequency
15.

The "persistence" of sound in a particular space after the original sound is produced?
- A.
  
  Echo
- B.
  
  Reverberation
- C.
  
  Sound reflections
- D.
  
  Vibration
16.

If sound is visualy seen by the human eye and it is striking against a curve wall and reflects back somewhere from the source. What quality of sound does it represents?
- A.
  
  Diffraction
- B.
  
  Diffuse sound
- C.
  
  Refraction
- D.
  
  Creep
17.

Lets assumed you are a diver. You dive in about 4 storeys high vertically. When you hit the water, your direction tends to change in different angle. Your overall jump strokes describes what quality of sound?
- A.
  
  Diffraction
- B.
  
  Refraction
- C.
  
  Creep
- D.
  
  Sound foci
18.

You were commissioned to design a music room. What flooring surface are you going to apply?
- A.
  
  Woodplanks
- B.
  
  Carpet
- C.
  
  Vinyl
- D.
  
  Ceramic tile
19.

A showroom with an industrial look is having a problem with acoustic, what should you propose?
- A.
  
  Install acoustic ceiling
- B.
  
  Hardiflex
- C.
  
  Gypsum
- D.
  
  Marine plywood
20.

What is the BEST way to reduce air-borne sound?
- A.
  
  Cover the source
- B.
  
  Use absorptive materials
- C.
  
  Relocate the building
- D.
  
  Glass enclosure
21.

For a music hall with a lot of audience, what is the best flooring material?
- A.
  
  Carpet tile
- B.
  
  Vinyl tile
- C.
  
  Wood planks
- D.
  
  Concrete walls
22.

The range of sound a human ear can detect?
- A.
  
  20-20, 000 hz
- B.
  
  100-30,000 hz
- C.
  
  200-76,000 hz
- D.
  
  45-64,000 hz
23.

What is an octave?
- A.
  
  An alternate pitch with half of its frequency is alternate and doubled
- B.
  
  Interval between one musical pitch and another with half or double its frequency
- C.
  
  A harmonic series of 8 pitch of sound in 1 single frequency
- D.
  
  Perceptual property that allows the ordering of sounds on a frequency-related scale
24.

What is the ratio of frequency to sound?
- A.
  
  1:1
- B.
  
  1:2
- C.
  
  1:3
- D.
  
  1:4
25.

Rectangular rooms with flat parallel walls have poor Diffusion.
- A.
  
  True
- B.
  
  False

Acoustics Exam Questions And Answers

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