Physics WAEC / WASSCE 1992 Waves and Optics
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
A
I and II only
B
I and III only
C
II and III only
D
II and IV only
E
III and IV only