A sound wave of frequency moves from air into water

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

Problem

A sound wave of frequency

512\,\text{Hz}

moves from air into water, causing its speed to rise from

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

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

. Explain what happens to the following during this transition and give a reason in each case: (i) the wavelength (ii) the frequency