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Acoustics MCQ

Acoustics

1. What most distinguishes noise from music is the presence of _________.

Regularity

Frequency

Both

Answer

Correct Answer: Regularity

Note: This Question is unanswered, help us to find answer for this one

2. The vibrations along a sound wave move in a direction _______.

Perpendicular to the wave

Along and parallel to the wave

Both of these answers are correct.

Neither of these answers is correct

Answer

Correct Answer: Along and parallel to the wave

Note: This Question is unanswered, help us to find answer for this one

3. A point on a standing wave that is always stationary is a(n) _____.

Maximum

Minimum

Node

Antinode

Answer

Correct Answer: Node

Note: This Question is unanswered, help us to find answer for this one

4. Each measurement of a sound wave is called a(n) ____.

Index

Sample

Metric

Cycle

Answer

Correct Answer: Sample

Note: This Question is unanswered, help us to find answer for this one

5. Timbre is often referred to as _________ color.

Tone

Frequency

Wavelength

Loudness

Answer

Correct Answer: Tone

Note: This Question is unanswered, help us to find answer for this one

6. The sound pressure level increases _______ as the decibel level increases from 40 to 80 dbs

10 times

5 times

100 times

Answer

Correct Answer: 10 times

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7. The difference between musical sounds and noise involves _______.

Irregular versus regular vibrations

Reduces exercise effectiveness

Alleviates boredom

Improves the specificity of exercise

Answer

Correct Answer: Irregular versus regular vibrations

Note: This Question is unanswered, help us to find answer for this one

8. At the ____________________ of a standing wave there is no displacement from the rest position

Outer

Node

Energy

Decibel

Answer

Correct Answer: Node

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9. The pitch of a note has most to do with _________.

Frequency

Loudness

Decreases

Answer

Correct Answer: Frequency

Note: This Question is unanswered, help us to find answer for this one

10. What occurs with the doppler effect are changes in _______.

Frequency due to motion

The speed of sound

Due to motion

Both of these

Neither of these

Answer

Correct Answer: Frequency due to motion

Note: This Question is unanswered, help us to find answer for this one

11. Loudness is to _ as pitch is to _.

Frequency; intensity

Amplitude; frequency

Pitch; tone

Amplitude; intensity

Answer

Correct Answer: Amplitude; frequency

Note: This Question is unanswered, help us to find answer for this one

12. Sound travels from one place to another mainly in a series of _________.

Compressions and rarefactions

Faster in warm air, faster in humid air

Interference

Elasticity and shape

Answer

Correct Answer: Compressions and rarefactions

Note: This Question is unanswered, help us to find answer for this one

13. An object is placed as shown in front of a concave mirror. the image of the object will be _____.

Inverted (upside down)

Upright, enlarged , virtual

Real

Diminished in size

Answer

Correct Answer: Upright, enlarged , virtual

Note: This Question is unanswered, help us to find answer for this one

14. The defining equation for calorimetry is __________.

ΔT1 + ΔT2 = 0

Q = ML

ΔQ1 + ΔQ2 = 0

Q1 + Q2 = 0

Answer

Correct Answer: Q1 + Q2 = 0

Note: This Question is unanswered, help us to find answer for this one

15. You can decrease the frequency of a standing wave on a string by __________.

Making the string longer.

Using a thicker string.

Decreasing the tension.

All of the above

Answer

Correct Answer: All of the above

Note: This Question is unanswered, help us to find answer for this one

16. The eardrum vibrates at ____.

A much higher frequency than the sound waves that hit it

Half the frequency of the sound waves that hit it

The same frequency as the sound waves that hit it

A constant frequency regardless of the frequency of the sound

Answer

Correct Answer: The same frequency as the sound waves that hit it

Note: This Question is unanswered, help us to find answer for this one

17. The vibrations along a transverse wave move in a direction _________.

Parallel to the wave direction

Perpendicular to the wave direction

Both of these

Neither of these

Answer

Correct Answer: Perpendicular to the wave direction

Note: This Question is unanswered, help us to find answer for this one

18. Forced vibrations mainly occur in _________.

Sounding Boards

Multiple echoes

Both

None of these

Answer

Correct Answer: Sounding Boards

Note: This Question is unanswered, help us to find answer for this one

Physics MCQs | Topic-wise

MCQ on Acoustics	MCQ on Electric Potential
MCQ on Electromagnetism	MCQ on Fluid Dynamics
MCQ on General Physics	MCQ on Matter and Energy
MCQ on Mechanics	MCQ on Optical Physics
MCQ on Particle Physics	MCQ on Wave and Light
General Physics MCQs

Acoustics MCQ

1. What most distinguishes noise from music is the presence of _________.

2. The vibrations along a sound wave move in a direction _______.

3. A point on a standing wave that is always stationary is a(n) _____.

4. Each measurement of a sound wave is called a(n) ____.

5. Timbre is often referred to as _________ color.

6. The sound pressure level increases _______ as the decibel level increases from 40 to 80 dbs

7. The difference between musical sounds and noise involves _______.

8. At the ____________________ of a standing wave there is no displacement from the rest position

9. The pitch of a note has most to do with _________.

10. What occurs with the doppler effect are changes in _______.

11. Loudness is to _____ as pitch is to _____.

12. Sound travels from one place to another mainly in a series of _________.

13. An object is placed as shown in front of a concave mirror. the image of the object will be _____.

14. The defining equation for calorimetry is __________.

15. You can decrease the frequency of a standing wave on a string by __________.

16. The eardrum vibrates at ____.

17. The vibrations along a transverse wave move in a direction _________.

18. Forced vibrations mainly occur in _________.

11. Loudness is to _ as pitch is to _.