# Sound In Different Mediums Quiz

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Do you know want to know how Sound travels in different mediums? Play this informative quiz and find out. Do you know in which medium Sound travels the fastest and in which medium it travels the slowest? What is the unit of measurement for the speed of Sound? On what does the loudness of Sound depend? Get answers to all this and much more in this quiz. If you like this quiz, share it with your friends. All the best!

• 1.

### Which of the following is the fastest medium for sound to travel through?

• A.

Air

• B.

Water

• C.

Steel

• D.

Vacuum

C. Steel
Explanation
Steel is the fastest medium for sound to travel through because it has a higher density and elasticity compared to air, water, and vacuum. Sound travels faster in denser materials because the molecules are closer together, allowing sound waves to propagate more quickly. Additionally, steel has a high elasticity, meaning it can quickly transmit vibrations and propagate sound waves efficiently.

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• 2.

### The loudness of the sound depends on

• A.

Its amplitude

• B.

Its frequency

• C.

Its time period

• D.

Its speed

A. Its amplitude
Explanation
The loudness of a sound, which is perceived as its volume, directly depends on the amplitude of the sound wave. The amplitude refers to the height of the sound wave, or the extent of the vibration or displacement of the medium (such as air) through which the sound is traveling. Greater amplitude results in sound waves carrying more energy, which translates to louder sounds when they reach the listener’s ear.

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• 3.

### In which of the following mediums does sound travel the slowest?

• A.

Air

• B.

Water

• C.

Steel

• D.

Vacuum

A. Air
Explanation
Sound travels the slowest in air compared to water, steel, and vacuum. This is because the speed of sound is determined by the density and elasticity of the medium. Air has a lower density and elasticity compared to water and steel, causing sound waves to propagate at a slower speed. In a vacuum, there is no medium for sound waves to travel through, so sound cannot propagate at all.

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• 4.

### Which medium of sound is the given picture?

• A.

Liquid

• B.

Solid

• C.

Gas

• D.

Vacuum

B. Solid
Explanation
The correct answer is solid because sound waves require a medium to travel through, and solids are one of the mediums that can transmit sound. In solids, the particles are closely packed together, allowing sound waves to pass through them easily. Liquids and gases can also transmit sound, but solids are generally better conductors of sound due to their tightly packed particles. A vacuum, on the other hand, is a space devoid of matter, so sound cannot travel through it.

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• 5.

### What is the unit of measurement for the speed of sound?

• A.

Meters per second

• B.

Hertz

• C.

Decibels

• D.

Newton

A. Meters per second
Explanation
The unit of measurement for the speed of sound is meters per second. This is because sound is a mechanical wave that travels through a medium, such as air or water, and its speed is determined by the properties of that medium. The speed of sound varies depending on the temperature, humidity, and composition of the medium, but it is commonly measured in meters per second. Hertz is the unit of measurement for frequency, decibels for sound intensity, and Newton for force.

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• 6.

### When sound travels from a denser medium to a rarer medium, what happens to its speed?

• A.

It increases.

• B.

It decreases.

• C.

It remains constant.

• D.

It becomes zero

B. It decreases.
Explanation
When sound travels from a denser medium to a rarer medium, its speed decreases. This is because sound waves travel slower in less dense mediums due to the decrease in the density of particles. The particles in a denser medium are closer together, allowing sound waves to propagate faster. However, when the sound waves enter a rarer medium with particles that are more spread out, they encounter less resistance and therefore travel at a slower speed.

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• 7.

### Sound waves do not travel through

• A.

Vacuum

• B.

Solid

• C.

Liquid

• D.

Gases

A. Vacuum
Explanation
Sound waves require a medium to travel through, as they are mechanical waves that propagate by vibrating particles in the medium. In a vacuum, there are no particles present to vibrate and transmit the sound waves. Therefore, sound waves cannot travel through a vacuum. However, sound waves can travel through solids, liquids, and gases, as they all have particles that can vibrate and transmit the waves.

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• 8.

### The speed of sound in the medium depends upon

• A.

Frequency

• B.

Amplitude

• C.

Wavelength

• D.

Properties of the medium

C. Wavelength
Explanation
The speed of sound in a medium depends on the wavelength. This is because wavelength is the distance between two consecutive compressions or rarefactions in a sound wave. As sound waves travel through a medium, they cause particles in the medium to vibrate, creating compressions and rarefactions. The speed at which these vibrations propagate is determined by the wavelength of the sound wave. Therefore, the speed of sound in a medium is directly related to its wavelength.

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• 9.

### Sounds travel fastest in

• A.

A vacuum

• B.

The sea

• C.

The atmosphere

• D.

A broomstick

D. A broomstick
• 10.

### Sound can travel through

• A.

Only gases

• B.

Only solids

• C.

Only liquids

• D.

In solids, liquids, and gases

D. In solids, liquids, and gases
Explanation
Sound can travel through solids, liquids, and gases because it is a mechanical wave that requires a medium to propagate. In solids, sound travels through the vibration of particles in a tightly packed arrangement. In liquids, sound travels through the compression and rarefaction of molecules that are less tightly packed. In gases, sound travels through the compression and rarefaction of molecules that are further apart. Therefore, sound waves can travel through all three states of matter.

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• Current Version
• Apr 19, 2024
Quiz Edited by
ProProfs Editorial Team
• May 29, 2023
Quiz Created by
Alfredhook3

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