Name the unit used for measuring the sound level.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Concept of Sound Levels**:
- Sound levels refer to the intensity or loudness of sound. It is important to have a standardized unit to measure these levels.

2. **Identifying the Unit for Sound Measurement**:
- The most commonly used unit for measuring sound levels is the decibel (dB).

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