Question no. 1: 1. The wavelength of waves produced on the surface of water is 20 cm. If the wave velocity is 24 m s-1, Calculate : (i) The number of waves produced in one second, and (ii) The time in which one wave is produced. Ans. (i) 120 (ii) 8.3 x 10-3 s Share with your friends Share 0 Snigdha Verma answered this Hope this helps you. 2 View Full Answer Harqueen Kahdul answered this I) 120 ii) 0.0083 -1