A surface water wave travels in deep water at a speed of with a wavelength of

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

A surface water wave travels in deep water at a speed of

1.5\,\text{m/s}

with a wavelength of

0.75\,\text{m}

. The wave then enters a shallow region where its speed is

1.2\,\text{m/s}

. What is the wavelength of the wave in the shallow region? (a)

0.75\,\text{m}

(b)

0.90\,\text{m}

(c)

0.60\,\text{m}

(d)

0.48\,\text{m}