Physics WAEC / WASSCE 1991 Waves, Sound & Vibrations
Which of the following statements is true of the diagram shown above?
Attached Figure / Diagram
Question diagram
A
the two point, A and B are in phase
B
distance AB is halgf the wavelength of the wave
C
AC and BD are the amplitude of the wave
D
the two points A and B represents the wave crests
E
the wave has four crests