Question

multiple choice question
what is the frequency of the wave shown?
0.5 hz
2.0 hz
1.0 hz
0.25 hz

Explanation:

Step1: Recall the definition of frequency

Frequency \( f \) is the number of complete waves (cycles) per second.

Step2: Count the number of waves in 1 second

From the graph, in \( t = 1\space s\), the number of complete waves \( n=2\).

Step3: Calculate the frequency

Using the formula \( f=\frac{n}{t}\), with \( n = 2\) and \( t=1\space s\), we get \( f=\frac{2}{1}=2.0\space Hz\).

Answer:

\(2.0\space Hz\)