[<< wikibooks] FHSST Physics/Waves/Equations and Quantities
= Important Equations and Quantities =
Frequency:

Speed:

  
    
      
        
          
            
              
                v
              
              
                =
              
              
                f
                λ
              
            
            
              
              
                =
              
              
                
                  
                    λ
                    T
                  
                
              
            
          
        
      
    
    {\displaystyle {\begin{matrix}v&=&f\lambda \\&=&{\frac {\lambda }{T}}\end{matrix}}}