A whistle produces a sound wave of wavelength in air where the speed of sound is

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

A whistle produces a sound wave of wavelength

0.50\,\text{m}

in air where the speed of sound is

330\,\text{m/s}

. The same sound travels along an iron rod where the speed is

5940\,\text{m/s}

and then into seawater where the speed is

1500\,\text{m/s}

. What is the approximate ratio of the wavelength in iron to that in seawater? (a)

1:4

(b)

1:1

(c)

4:1

(d)

3:2