Q.Sea waves are generated due to friction of water surface caused by blowing wind. Choose the correct statement regarding sea waves. I. Undulations of sea water at the place of their origin are called swells. II. Height of winds generated depends on wind speed, duration of wind in one direction, length of water surface over which the wind blows. III. Wavelength is expressed in terms of unit of meters. IV. Wave velocity is directly related to wavelength.
Correct answer: All of these