What do you mean by loudness and pitch of sound?

Explanation

### Step-by-Step Solution:

1. **Understanding Loudness**:
- Loudness is defined as a measure of the intensity of sound. It indicates how strong or powerful a sound is perceived by the human ear.
- The louder a sound is, the more intense it is in terms of its magnitude.

2. **Relationship Between Loudness and Amplitude**:
- Loudness is directly related to the amplitude of a sound wave.
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