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A stone is dropped in a 44.1 m deep well...

A stone is dropped in a 44.1 m deep well. If the sound produced by striking of stone with the water surface is heard after 3.13 s then find the velocity of wave in air.

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MBD-SOUND-Example
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  6. What is sound ?

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  7. In which medium the velocity of sound is more — solids or Gases ?

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  8. What is the audible range of average human ear?

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  9. What is the nature of sound Longitudinal wave or Transverse wave ?

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  10. What should be the properties of the medium for producing sound waves ...

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  11. What is the relation between frequency, wavelength and wave velocity ?

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  12. What is the unit of frequency ?

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  13. What is the relation between frequency (f) and time period (T) ?

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  14. On dropping a pebble in still water, what type of waves are produced o...

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  15. What kind of sound waves are produced in air ?

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  16. What is the full form of SONAR ?

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  18. Which scale measures the intensity of earthquake measured ?

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  19. Earthquake of what intensity is considered safe on Richter Scale.

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  20. What is the cause for production of sound ?

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