Sound wave has a wavelength of 3.0m. What is the distance from a compression center to the adjacent rarefaction center?

 The speed of sound is approximately 340 m/s. A certain sound wave has a wavelength of 5.0 m. What is the frequency of the sound? The period of this wave?

An infrared wave has a wavelength of cm. What is this distance in angstroms?

A sound wave has a frequency of 1995 Hz. What is the distancebetween crests or compressions of the wave? (Take the speed ofsound to be 344 m/s.)