Physics
Grade-8
Easy
Question
The sounds which are pleasant to hear are of ____ quality.
- Rich
- Poor
- Low
- High
Hint:
The sounds which are pleasant to hear are of rich quality.
The correct answer is: Rich
- Sound which is pleasant to hear is rich in quality.
- Sound which is pleasant to the ears and is of rich quality is called music.
- Sounds that are unpleasing and disturbing to the ears are called noise.
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The amplitude of a sound wave depends upon the _____.
The amplitude of a sound wave depends upon the _____.
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The pitch of a sound depends on its _____.
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The way in which our brain interprets a sound is called its _____.
The way in which our brain interprets a sound is called its _____.
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The ____ of the sound waves make them different from each other.
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Propagation of sound creates disturbance among the particles of ____.
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In which of the following mediums does the vibration of an object not produce a sound?
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A particle of the medium near to the vibrating object _____.
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The high-pressure regions formed when a sound wave propagates through a medium ____.
The high-pressure regions formed when a sound wave propagates through a medium ____.
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When a speaker vibrates, it sets its neighboring particles into ____.
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We are able to hear sound originating from various objects as ____.
We are able to hear sound originating from various objects as ____.
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One end of a slinky lying on a table is fixed to a rigid support. The free end of the slinky is pushed back and forth. As a result, alternate compressions and rarefactions are observed. The former and the latter refer to the loops of the slinky to be ____ and ____ respectively.
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