A sound wave of frequency 500 Hz travels from air into water

PHYSICS · Multi-part · A Level · Physics · Waves · Waves

Problem

A sound wave of frequency 500 Hz travels from air into water. The speed of sound in air is

330\,\text{m s}^{-1}

and in water is

1490\,\text{m s}^{-1}

. What is the wavelength of the wave in (a) air (b) water? (a) Find the wavelength of the wave in air. (b) Find the wavelength of the wave in water.