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MBD -HARYANA BOARD-SOUND-EXAMPLE
- Identify the part which vibrates to produce soud in following instrume...
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- What is the difference between noise and music? Can music become noise...
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- List sources of noise pollution in your surroundings.
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- Explain in what way noise pollution is harmful to humans.
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- Your parents are going to buy a house. They have been offered one on t...
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- Sketch larynx and explain its function in your own words.
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- Lightning and thunder take place in the sky at the same time and at th...
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- The unit of frequency is
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- The intensity of disagreeable sound for human ear is:
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- What is the ultrasonic sound?
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- Speed of sound at 20^@ C is approximately:
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- The intensirty of sound at ordinary inhale is:
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- What is sound ?
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- How is sound produced? How does its pitch gets affected by the size of...
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- How fast can sound travel in vacuum? Why?
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- Does sound travel in gases and solids?
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- Does sound travel in liquids?
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- Does sound travel in solids? Compare its speed in solids with that in ...
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- The loudness of sound depends on :
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- If an object makes 100 oscillations in a second, then what is its freq...
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