Asked by Ustine Mwaba
                What is the wavelength given frequency 7 Hz and pi to be 22/7?
            
            
        Answers
                    Answered by
            drwls
            
    Are you talking about sound waves? You need the speed of wave propagation to answer the question. For sound in air, it is about 340 m/s. 
Wavelength = (Wave speed)/(Frequency)
You do not need to make approximations for pi to do the calculation.
    
Wavelength = (Wave speed)/(Frequency)
You do not need to make approximations for pi to do the calculation.
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