What is a Jewish baby naming ceremony? This is a brief ceremony during which the baby is given his or her Hebrew name. The chosen Hebrew name could be a name that sounds like the baby's secular/English name, or one that begins with the same sound as the baby's secular/English name.
For  radio waves and light waves  â scroll down â. Conversion: frequency f to wavelength Î» and wavelength to frequency. The speed of propagation c can be the speed of sound *or* the speed of light and radio waves. Sound waves are waves which propagate vibrations of air molecules.
1 The speed of Sound wave varies with Pressure and Temperature of the medium. 2  Sound wave travels at a speed v = Î» f. 3  At Standard Pressure & Temperature in air the speed is calculated equal to v = 333 m/s. 4  Sound Wave that is audible to human ear is in the frequency range 20Hz - 20KHz.