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MBD-SOUND-EXAMPLE
- We can respond respond to the frequency of sound more than ……….. Hertz...
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- Name the section of throat in which the human voice is produced.
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- Name the characteristics of sound which help us to distinguish differe...
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- What is the audible range of human ear?
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- Define the term pitch.
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- Which sound has higher frequency? Sound produced by a buzzing mosquito...
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- Write the following frequencies in their increasing order: Voice of a...
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- How does the sound produced by the vibrating object in a medium reach ...
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- What is length of vocal cords in man?
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- Fill in the blank Unwanted sound is called …………….
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- Which sound is produced by musical instruments?
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- What is unit of loudness of sound.
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- Name an instrument with pleasant sound.
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- What is hearing impairment?
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- What are causes of hearing impairment?
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- Give an example of loud noise.
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- Ultrasonic sound is:
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- List sources of noise pollution in your surroundings.
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- Which natural organism is important to reduce noise pollution?
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- What is a noise?
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