Question 36
WavesThe wave motion shown (Fig. 3) has a frequency of

- A.0.1Hz
- B.0.2Hz
- C.5Hz
- 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.