Bell Jar Experiment
1)What are sound waves?
  

2)What is the unit of intensity of sound?
  

3)What does the speed of sound in a medium depend upon?
  

4)What is the unit of frequency?
  

5)What is the velocity of sound in air at room temperature?
  

6)What is the unit of wave length?
  

7)Sound waves do not travel through _______.
  

8)What is the apparatus used for the measurement of pressure?
  

9)What is the approximate range of audible frequencies for a human ear?
  

10)Which of the following is not a mechanical wave?
  


  


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