Waves and its Characteristics: Practice Problem & Solution

Solution Explained:

To solve this problem, we apply the core principles of Waves and its Characteristics. Understanding the underlying formula is key to arriving at the correct answer below:

Here $k = 62.4$. Since $k = \frac{2\pi}{\lambda}$, we have $\lambda = \frac{2 \times 3.14}{62.4} \approx 0.1 \text{ unit}$.