Physics

Problem

A whistle emits a steady note of

1.5\,\text{kHz}

. The speed of sound is

330\,\text{m/s}

in air and

1480\,\text{m/s}

in water. By approximately what percentage does the wavelength of this sound increase when it passes from air into water? a)

450\%

78\%

348\%

112\%