Physics
Grade-8
Easy
Question
Rarefactions are the regions where the ____ is low.
- Volume
- Force
- Influence
- Pressure
Hint:
Rarefactions are the regions where the pressure is low.
The correct answer is: Pressure
- Refractions and compressions are created by sound waves when it is vibrating
- Rarefactions are the regions of low pressure and low density.
Related Questions to study
Physics
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 ____.
PhysicsGrade-8
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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.
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.
PhysicsGrade-8
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The particles of the medium move from the origin of sound to the destination to carry it. This statement is ____.
The particles of the medium move from the origin of sound to the destination to carry it. This statement is ____.
PhysicsGrade-8
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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.
PhysicsGrade-8
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Sound waves are ________ waves.
Sound waves are ________ waves.
PhysicsGrade-8
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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 ____.
PhysicsGrade-8
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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 ____
PhysicsGrade-8
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The basic needs of human being are________________.
The basic needs of human being are________________.
ESSGrade-8
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We should use natural resources_____________.
We should use natural resources_____________.
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Identify the image of the Earth.
Identify the image of the Earth.
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Natural resources are of _________ types.
Natural resources are of _________ types.
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We live on ___________
We live on ___________
ESSGrade-8
