Physics
Grade-8
Easy
Question
The particles of the medium ____ when a sound wave moves through it.
- Move from source to the destination of the sound
- Move in circular paths
- Move up and down and forward
- Vibrate for some time at their original place
Hint:
Particles vibrate when the sound is produced
The correct answer is: Vibrate for some time at their original place
- In sound waves, the particles vibrate from their position, when waves move through them.
- The particles of the medium vibrate in a direction perpendicular to the direction of wave motion.
- Sound is the outcome of vibration
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In a particular medium the vibration of an object does not produce a sound. The medium is ____.
In a particular medium the vibration of an object does not produce a sound. The medium is ____.
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Sound is generated when an object ____ and is propagated when it is in a ____.
Sound is generated when an object ____ and is propagated when it is in a ____.
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Rarefactions are the regions where the ____ is low.
Rarefactions are the regions where the ____ is low.
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The particles of the medium do not actually move to carry the sound wave from one place to another. They simply vibrate about their equilibrium positions. This statement is ____.
The particles of the medium do not actually move to carry the sound wave from one place to another. They simply vibrate about their equilibrium positions. This statement is ____.
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Propagation of sound can be visualized as the propagation of ____ variations.
Propagation of sound can be visualized as the propagation of ____ variations.
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In the options given below, if ‘C’ means compression and ‘R’ means rarefaction figure out which of the patterns represent the pattern of particles of the medium through which sound propagates.
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The particles of the medium move from the origin of sound to the destination to carry it. This statement is ____.
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Sound waves are produced from an object which ____.
Sound waves are produced from an object which ____.
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Each vibration creates __ compressions and ___ rarefactions.
Each vibration creates __ compressions and ___ rarefactions.
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Sound waves are ________ waves.
Sound waves are ________ waves.
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Compressions are the regions where the ____ is high.
Compressions are the regions where the ____ is high.
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Sound propagates through a medium by disturbing the ____.
Sound propagates through a medium by disturbing the ____.
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The process of sound traveling from the source to the destination is called ____
The process of sound traveling from the source to the destination is called ____
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Which of the following is not a natural resource?
Which of the following is not a natural resource?
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___________is a renewable resource.
___________is a renewable resource.
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