JAMB Physics 2023 Question 36

Question 36

Waves

The wave motion shown (Fig. 3) has a frequency of

Diagram for this question
  1. A.0.1Hz
  2. B.0.2Hz
  3. C.5Hz
  4. D.10Hz
Show the answer and explanation

Answer: C (5Hz)

Explanation

One complete cycle (crest and trough) takes 0.2 s, so the period is 0.2 s and f = 1/0.2 = 5 Hz.