In the diagram above, the time taken to trace a wave between P and Q is?
-
2 periods
- 1 period
- 1\(\frac{1}{2}\) periods
- 1\(\frac{1}{4}\) periods
The correct answer is: A
Explanation
frequency means no of oscillation per secs, so the time taken to trace a wave between p and q is 2secs.