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MBD-SOUND-EXAMPLE
- 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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- Define the terms time period and frequency of an oscillating body. Giv...
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- One astronut speaks with another astronaut on Moon. Can the other astr...
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- Sound produced by a mosquito is quite different from the roar of a lio...
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- Cite an experiment to show that sound need a material medium for its p...
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- Name the section of throat in which the human voice is produced.
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- What are ultrasounds?
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- What are the uses of ultrasonic sound?
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- A boy claps his hands in front of stair-case and hears a musical sound...
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