Sound travels in seawater at about

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

Problem

1500\,\text{m/s}

. An ultrasonic signal of frequency

3.0\,\text{kHz}

is sent through seawater. What is its wavelength expressed in centimetres? (a)

0.5\,\text{cm}

(b)

5\,\text{cm}

(c)

50\,\text{cm}

(d)

200\,\text{cm}