A whistle emits a steady sound of frequency

PHYSICS · Multi-part · GCSE · Physics · Waves · Waves

Problem

1000\,\text{Hz}

. The speed of sound in air is

340\,\text{m/s}

, while in water it is

1500\,\text{m/s}

. (a) Find the wavelength of this sound in air. (b) Calculate its wavelength when the whistle is blown under water.