How does loudness of the sound depends upon amplitude?

Explanation

**Step-by-Step Solution:**

1. **Understanding Loudness**:
- Loudness refers to how we perceive the intensity of sound. It can be described as how loud or soft a sound is.

2. **Identifying Amplitude**:
- Amplitude is the maximum extent of a vibration or oscillation, measured from the position of equilibrium. In the context of sound waves, it represents the height of the sound wave.

...