Physics

Problem

An alarm produces sound of frequency

3.0\,\text{kHz}

. If the speed of sound in air is

330\,\text{m/s}

, what is the wavelength of this sound in air expressed in centimetres? a)

1.1\,\text{cm}

11\,\text{cm}

0.11\,\text{cm}

10\,\text{cm}