DRAFT: This module has unpublished changes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

http://www.artinaid.com/2013/04/sound/

 

Problem #1:

 

Find the wavelength in air at 20°C of a sound wave of 20 Hz. Consider the speed of sound is 343m/s.

 

           λ= v / f   

           λ= 343 m/s / 20 Hz

           λ= 17.2 m  

 

DRAFT: This module has unpublished changes.