Is it true that carpets and curtains/ drapes placed on the floor or wall surface can reduces can reduce noise level . Explain briefly?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks whether carpets and curtains can reduce noise levels when placed on floors and walls, and it requires a brief explanation.

2. **Affirmative Response**: Yes, it is true that carpets and curtains can reduce noise levels.

3. **Mechanism of Noise Reduction**:
- Carpets placed on the floor and curtains or drapes hung on walls or windows act as sound-absorbing materials.
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