Sound of frequency travels in air at

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

Sound of frequency

256\,\text{Hz}

travels in air at

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

. The same sound enters water where its speed is

1480\,\text{m\,s}^{-1}

. Calculate the wavelength of the sound (a) in air, (b) in water.