Physics WAEC / WASSCE 1995 Waves and Optics
Sixty complete waves pass a particular point in 4s. lf the distance between three successive troughs of the waves is 15m, calculate the speed of the waves,
A
300.0ms-1
B
225.0ms-1
C
112.5ms-1
D
75.0ms-1
E
16.0ms-1