Sound And Light 8th Grade Study

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Questions: 10 | Attempts: 3,904 | Updated: Aug 5, 2024

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If you have a sound and light quiz coming up this is just what you need to study

Questions and Answers

1.

Matter that transmits light but does not transmit an image is?
- A.
  
  Transparent
- B.
  
  Translucent
- C.
  
  Opaque
Correct Answer
B. Translucent

Explanation
Translucent matter refers to materials that allow light to pass through them, but they scatter the light in different directions, preventing a clear image from being transmitted. This means that while light can penetrate the material, it is not able to form a distinct image on the other side. Therefore, translucent is the correct answer as it describes a substance that transmits light but does not transmit an image.

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2.

Matter that allows light to pass though with little interference is?
- A.
  
  Transparent
- B.
  
  Translucent
- C.
  
  Constructive interference
Correct Answer
A. Transparent

Explanation
Transparent materials, such as clear glass or clean water, allow light to pass through with minimal scattering or absorption, resulting in a clear image or view through the material. Translucent materials allow light to pass through but scatter it, causing objects behind them to appear blurred. Constructive interference refers to a phenomenon in wave physics where waves combine to form a wave of greater amplitude, not related to the transmission of light through matter.

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3.

Two or more waves combine to make one wave with more height.what kind of interfernce has happened?
- A.
  
  Destructive interfernce
- B.
  
  Constructive interfernce
- C.
  
  Translucent intercourse
Correct Answer
B. Constructive interfernce

Explanation
When two or more waves combine to make one wave with more height, it is known as constructive interference. In this type of interference, the peaks of the waves align with each other, resulting in an increase in the amplitude of the combined wave. This leads to a constructive reinforcement of the waves, resulting in a higher overall wave height.

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4.

Frequncy is measured in?
- A.
  
  Decibels
- B.
  
  M/sec
- C.
  
  Hertz
Correct Answer
C. Hertz

Explanation
Frequency is a measure of how many cycles or vibrations occur in a given time period. It is commonly used to describe the pitch of a sound wave or the rate of oscillation in an electromagnetic wave. The unit of measurement for frequency is hertz, which represents one cycle per second. Therefore, hertz is the correct answer for measuring frequency.

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5.

The amplitude of a sound wave determines the?
- A.
  
  Loudness
- B.
  
  Pitch
- C.
  
  Wavelengh
Correct Answer
A. Loudness

Explanation
The amplitude of a sound wave refers to the maximum displacement of particles in the medium through which the sound wave is traveling. It determines the loudness of the sound. A higher amplitude corresponds to a louder sound, while a lower amplitude corresponds to a softer sound. Therefore, the correct answer is loudness.

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6.

Sound travels fastest through which meduim?
- A.
  
  Gas
- B.
  
  Luquid
- C.
  
  Soild
Correct Answer
C. Soild

Explanation
Sound travels fastest through solids because the particles in solids are closely packed together, allowing sound waves to transmit more efficiently. In gases, the particles are more spread out, causing sound waves to travel slower. Liquids have particles that are closer together than gases but not as closely packed as solids, resulting in a slower speed of sound compared to solids. Therefore, the correct answer is solid.

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7.

Sound waves are
- A.
  
  Verticle
- B.
  
  Longitudnal
- C.
  
  Parralle
Correct Answer
B. Longitudnal

Explanation
Sound waves are longitudinal. This means that the particles of the medium through which the sound wave is traveling vibrate in the same direction as the wave is propagating. In other words, the particles move back and forth parallel to the direction of the wave. This is in contrast to transverse waves, where the particles move perpendicular to the direction of the wave. Longitudinal waves are responsible for the transmission of sound energy from a source to our ears.

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8.

Sound travels slowest through which meduim?
- A.
  
  Gas
- B.
  
  Liquid
- C.
  
  Soild
Correct Answer
A. Gas

Explanation
Sound travels slowest through gas because the particles in a gas are far apart and have less interaction with each other compared to particles in a liquid or solid. This leads to a slower transmission of sound waves through the medium. In liquids and solids, the particles are closer together and can transmit sound more efficiently, resulting in faster sound propagation.

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9.

An oscilloscope shows a sound wave as?
- A.
  
  Transverse
- B.
  
  Transparent
- C.
  
  Compressional
Correct Answer
A. Transverse

Explanation
An oscilloscope shows a sound wave as transverse because sound waves are longitudinal waves, meaning they vibrate in the same direction as the wave is traveling. However, an oscilloscope displays waves on a 2D screen, where the y-axis represents amplitude and the x-axis represents time. Therefore, the oscilloscope represents the sound wave as a transverse wave on the screen, even though the actual sound wave is longitudinal.

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10.

What do you call the interaction between 2 sound waves?
- A.
  
  Intrepret
- B.
  
  Interfernce
- C.
  
  Intercourse
Correct Answer
B. Interfernce

Explanation
The correct answer is "interference". Interference refers to the interaction between two sound waves when they combine or overlap with each other. This interaction can result in constructive interference, where the waves amplify each other, or destructive interference, where the waves cancel each other out.

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Current Version
Aug 05, 2024

Quiz Edited by
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Dec 08, 2010

Quiz Created by
Test45

Sound And Light 8th Grade Study

Matter that transmits light but does not transmit an image is?

Matter that allows light to pass though with little interference is?

Two or more waves combine to make one wave with more height.what kind of interfernce has happened?

Frequncy is measured in?

The amplitude of a sound wave determines the?

Sound travels fastest through which meduim?

Sound waves are

Sound travels slowest through which meduim?

An oscilloscope shows a sound wave as?

What do you call the interaction between 2 sound waves?