# Sound Quiz: Trivia Questions! Test

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Quizzes Created: 1 | Total Attempts: 439
Questions: 10 | Attempts: 439

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• 1.

### Through which state does sound travel fastest?

• A.

Liquid

• B.

Plasma

• C.

Solid

• D.

Gas

C. Solid
Explanation
Sound travels fastest through solids because the particles in a solid are closely packed together, allowing sound waves to propagate more efficiently. In solids, the particles can transmit vibrations quickly from one particle to the next, resulting in faster sound transmission. In contrast, sound waves travel slower through liquids and gases because the particles are more spread out and have more space between them, which leads to a slower transfer of energy.

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• 2.

### What is the speed of sound through air (a gas)?

• A.

3405 m/s

• B.

270 m/s

• C.

2001 m/s

• D.

343 m/s

• E.

211 m/s

D. 343 m/s
Explanation
The speed of sound through air is 343 m/s. This is a well-known value and is often used as a standard for calculating the speed of sound in various mediums. It is important to note that the speed of sound can vary depending on factors such as temperature, humidity, and altitude. However, the given answer of 343 m/s is a commonly accepted average value for the speed of sound in air at room temperature and sea level.

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• 3.

### Sound is measured in

decibels
db
dB
Explanation
Sound is measured in decibels (dB). Decibels are a unit of measurement used to quantify the intensity or loudness of sound. The lowercase "db" and uppercase "dB" are both acceptable symbols for decibels.

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• 4.

### What is sound over 20000 hz called?

ultrasound
Explanation
Ultrasound refers to sound waves with frequencies higher than 20,000 Hz. These high-frequency sound waves are used in various fields, such as medical imaging, industrial testing, and cleaning. Ultrasound technology is commonly used for diagnostic purposes, allowing medical professionals to visualize internal organs and tissues. It is also utilized in non-destructive testing to detect flaws or defects in materials. Ultrasound waves are beyond the range of human hearing, making them ideal for these applications.

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• 5.

### Who was the pilot who broke the sound barrier?

• A.

James Howard

• B.

Chuck Yeager

• C.

David Ingalls

• D.

William Bill

• E.

Martin Marty

B. Chuck Yeager
Explanation
Chuck Yeager was the pilot who broke the sound barrier. He achieved this milestone on October 14, 1947, when he flew the Bell X-1 aircraft faster than the speed of sound. This achievement marked a significant breakthrough in aviation history and paved the way for supersonic flight. Yeager's accomplishment demonstrated the possibility of pushing the limits of human and technological capabilities in the field of aviation.

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• 6.

### What was the plane which broke the sound barrier?

• A.

Spitfire

• B.

X15

• C.

Phone Y-8

• D.

Ring R-5

• E.

Bell X-1

E. Bell X-1
Explanation
The Bell X-1 was the plane that broke the sound barrier. This experimental aircraft, piloted by Chuck Yeager, achieved supersonic speed on October 14, 1947. It was a pivotal moment in aviation history and marked the first time that an aircraft had exceeded the speed of sound in level flight.

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• 7.

### What is the sound called when something breaks the sound barrier?

sonic boom
Explanation
A sonic boom is the sound produced when an object travels through the air faster than the speed of sound. As the object exceeds the speed of sound, it creates a shockwave that compresses the air molecules, resulting in a loud and distinctive sound. This phenomenon is commonly heard when supersonic aircraft or other objects break the sound barrier. The term "sonic boom" accurately describes this specific sound associated with breaking the sound barrier.

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• 8.

### What is needed to make a sound?

vibration
Explanation
Sound is produced when an object vibrates, creating waves of pressure that travel through a medium, such as air or water. These vibrations cause the particles in the medium to also vibrate, which is then detected by our ears as sound. Therefore, vibration is necessary to create sound.

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• 9.

### Can we hear bats squeak when they use echolocation?

• A.

No

• B.

Not Sure

• C.

Sometimes

• D.

I give up!

• E.

Yes

A. No
Explanation
Bats use echolocation to navigate and find prey in the dark. Their high-pitched squeaks are emitted and then bounce off objects, allowing them to determine their surroundings. However, these sounds are usually beyond the range of human hearing, so we are unable to hear them. Therefore, the correct answer is "No."

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• 10.

### How many decibels is our normal human voice?

• A.

250 dB

• B.

25 dB

• C.

60 dB

• D.

100 dB

• E.

10 dB

C. 60 dB
Explanation
The normal human voice typically ranges from 60 decibels (dB) to 70 dB. This is because the average conversation between people occurs at around 60 dB, while a louder conversation or shouting can reach up to 70 dB. Therefore, the correct answer is 60 dB.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Jun 28, 2010
Quiz Created by
Mfaizk

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