If you tighten a string and keep plucking it with your finger as you pull, what happens to the pitch?

As you tighten the string, the pitch gets higher

As you tighten the string, the pitch gets lower

You can't tell unless you try it

A student holds two vibrating objects. Object A is vibrating faster than object B. Which statement is true?

A will have a higher pitch than B

B will have a higher pitch than A

The same sound will seem louder if it travels through which of the following?

solids, liquids and gases will sound the same

Physics Of Sound Post-test Kettl

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Quizzes Created: 11 | Total Attempts: 4,901

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1/15 Questions

Being able to tell different sounds apart is called
- Sound amplification
- Sound discrimination
- Vibration
- Frequency

About This Quiz

Sound is a wonderful thing, a sense we often take for granted without taking a closer look at the science behind such a wonderful concept. What do you know about sound and how it works? Let’s find out.

2.

When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly. This movement is called
- Loudness
- Amplitude
- Pitch
- Vibration
Correct Answer

A. Vibration

Explanation

When you pluck a rubber band, it starts to move back and forth rapidly. This rapid back and forth motion is known as vibration. The rubber band vibrates, creating sound waves that we hear. Therefore, the correct answer is vibration.

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3.

THe highness or lowness of a sound is the
- Pitch
- Loudness
- Vibration
- Resonance
Correct Answer

A. Pitch

Explanation

Pitch refers to the highness or lowness of a sound. It is determined by the frequency of the sound waves, with higher frequencies corresponding to higher pitches and lower frequencies corresponding to lower pitches. Pitch is a perceptual quality of sound that allows us to differentiate between different musical notes or tones. It is not related to the loudness, vibration, or resonance of a sound.

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4.

If you tighten a string and keep plucking it with your finger as you pull, what happens to the pitch?
- As you tighten the string, the pitch gets lower
- The pitch stays the same
- As you tighten the string, the pitch gets higher
- You can't tell unless you try it
Correct Answer

A. As you tighten the string, the pitch gets higher

Explanation

When a string is tightened, the tension in the string increases. This increased tension causes the string to vibrate at a higher frequency, resulting in a higher pitch. Therefore, as the string is tightened and plucked, the pitch of the sound produced will get higher.

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5.

The loudness of a sound is called
- The sound wave
- The volume
- The amplitude
- The pitch
Correct Answer

A. The volume

Explanation

The correct answer is "the volume". The loudness of a sound is commonly referred to as its volume. Volume is a measure of the intensity or strength of a sound wave, indicating how loud or soft a sound is perceived by the human ear. It is determined by the amplitude of the sound wave, with higher amplitudes corresponding to louder volumes. Therefore, volume accurately describes the loudness of a sound.

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6.

A student holds two vibrating objects. Object A is vibrating faster than object B. Which statement is true?
- A is louder than B
- B is louder than A
- A will have a higher pitch than B
- B will have a higher pitch than A
Correct Answer

A. A will have a higher pitch than B

Explanation

When an object vibrates faster, it produces sound waves with a higher frequency. Pitch is determined by the frequency of the sound waves, so if object A is vibrating faster than object B, it means that object A will have a higher pitch than object B.

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7.

The same sound will seem louder if it travels through which of the following?
- Solid objects
- Liquids
- Air
- Solids, liquids and gases will sound the same
Correct Answer

A. Solid objects

Explanation

When sound travels through solid objects, it tends to propagate faster and more efficiently compared to liquids and air. This is because solids have a higher density and a more rigid structure, allowing sound waves to travel with less resistance. As a result, the same sound will appear louder when it travels through solid objects.

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8.

If you roll a large sheet of paper into a funnel, you can hear the sound better. This process of increasing the loudness of a sound is called
- Measuring a wave
- Absorption
- Reflection
- Amplification
Correct Answer

A. Amplification

Explanation

When a large sheet of paper is rolled into a funnel shape, it creates a narrow opening at one end. This funnel shape helps to concentrate and direct the sound waves towards the listener, making them more focused and intense. This concentration of sound waves increases the loudness of the sound, which is why it is called amplification.

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9.

Which of the following would produce the hightest pitch?
- Phone
- Whistle
- Truck horn
- Dog's growl
Correct Answer

A. Whistle

Explanation

A whistle would produce the highest pitch among the given options. Whistles are designed to produce a high-pitched sound due to their small size and narrow opening. When air is blown through the whistle, it passes through this narrow opening, causing vibrations at a high frequency, resulting in a high-pitched sound. On the other hand, a phone, truck horn, and dog's growl produce lower-pitched sounds due to their larger size and different mechanisms of sound production.

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10.

Which of the following would produce the loudest sound?
- Jet plane
- Pin falling
- Doorbell
- Whisper
Correct Answer

A. Jet plane

Explanation

A jet plane would produce the loudest sound because it is a large and powerful aircraft that generates a significant amount of noise from its engines. The engines of a jet plane produce a high level of sound intensity, which is much louder than a pin falling, a doorbell, or a whisper. The sound produced by a jet plane can reach levels that can be heard from a great distance and can even cause discomfort or damage to the ears if exposed for a prolonged period.

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11.

A unit for measuring the loudness of sounds is
- Vibration
- Decibel
- Frequency
- Pitch
Correct Answer

A. Decibel

Explanation

Decibel is the correct answer because it is a unit used to measure the loudness of sounds. It is a logarithmic scale that compares the intensity of a sound to a reference level. The decibel scale allows us to quantify the range of human hearing, with 0 decibels representing the threshold of hearing and 120 decibels representing the threshold of pain. By using decibels, we can accurately measure and compare the loudness of different sounds.

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12.

A process for locating distant or invisible objects by using sound waves that are reflected back to the sender
- Vibration
- Receiver
- Echolocation
- Source
Correct Answer

A. Echolocation

Explanation

Echolocation is a process that involves using sound waves to locate distant or invisible objects. The sender emits sound waves, which then bounce off the objects and are reflected back to the receiver. By analyzing the pattern of these reflected sound waves, the receiver can determine the location and distance of the objects. Echolocation is commonly used by animals such as bats and dolphins to navigate and find prey in their environment.

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13.

The speed at which something vibrates is called
- Pitch
- Amplitude
- Resonance
- Frequency
Correct Answer

A. Frequency

Explanation

Frequency refers to the number of vibrations or oscillations per unit of time. It is a measure of how fast something vibrates. Therefore, the correct answer is frequency.

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14.

Something that detects sound is a
- Sound wave
- Volume
- Amplitude
- Sound receiver
Correct Answer

A. Sound receiver

Explanation

A sound receiver is the most appropriate answer because it is a device or mechanism that is designed to detect and receive sound. It is commonly used in various audio equipment such as speakers, microphones, and headphones to capture and reproduce sound waves. The other options, such as sound wave, volume, and amplitude, are related to sound but do not specifically refer to a device that detects sound.

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15.

An object or material that vibrates in a way that makes sound is called the
- Sound source
- Receiver
- Sound wave
- Pitch
Correct Answer

A. Sound source

Explanation

The correct answer is "sound source" because an object or material that vibrates in a way that produces sound is the source of the sound. It is responsible for creating the vibrations that travel through the air as sound waves, allowing us to hear the sound.

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Current Version
Apr 29, 2024

Quiz Edited by
ProProfs Editorial Team
Mar 18, 2013

Quiz Created by
Sbandres

Physics Of Sound Post-test Kettl

Being able to tell different sounds apart is called

Quiz Preview

When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly. This movement is called

THe highness or lowness of a sound is the

If you tighten a string and keep plucking it with your finger as you pull, what happens to the pitch?

The loudness of a sound is called

A student holds two vibrating objects. Object A is vibrating faster than object B. Which statement is true?

The same sound will seem louder if it travels through which of the following?

If you roll a large sheet of paper into a funnel, you can hear the sound better. This process of increasing the loudness of a sound is called

Which of the following would produce the hightest pitch?

Which of the following would produce the loudest sound?

A unit for measuring the loudness of sounds is

A process for locating distant or invisible objects by using sound waves that are reflected back to the sender

The speed at which something vibrates is called

Something that detects sound is a

An object or material that vibrates in a way that makes sound is called the