What is the wavelength given frequency 7 Hz and pi to be 22/7?
Physics - drwls, Thursday, May 23, 2013 at 8:12am
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.