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Rev. Notes > IGCSE > Sound
 
 
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Nature of sound waves

Experiment: Sound can not travel through vacuum

Production of sound
Characteristics of sound

Medium to transmit sound waves

Speed of sound in different media

Echo

Audible frequency range

 

Production of sound

Whenever a body is vibrating, it produces a disturbance in the surrounding air. this disturbance reaches our ear in the form of waves and hence produces sensation on the ear drum. In the absence of air (medium), the sound can not be heard, because sound can not travel through vacuum. Therefore a material medium must be continuous from the vibrating body to the ear.

 
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View Comments on this Chapter - Total Comments (2)
 
muaskerr Said :
Is goopd
 
  19/05/15 04:42 PM
   
Deka Anggawira Said :
Good Job, KEEP IMPROVE AND ADD THE POSITIVE Information
 
  17/02/13 01:30 PM
 

 

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