WAEC - Physics (1992 - No. 36)
Which of the following waves are longitudinal waves? l. Ripples on the surface of water II. Waves produced by a tuning fork vibrating in air III. Light waves
IV. Waves produced by a flute
IV. Waves produced by a flute
I and II only
I and III only
II and III only
II and IV only
III and IV only