_________ is created by rhythmic, periodic vibrations usting different kinds of musical instruments.

Options

A. Music
B. Sound
C. Noise
D. Echo

Answer

To solve the question, we need to identify the term that describes what is created by rhythmic, periodic vibrations using different kinds of musical instruments.

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for a term that describes what is produced by rhythmic and periodic vibrations from musical instruments.

2. **Identify Key Terms**: The key terms in the question are "rhythmic," "periodic vibrations," and "musical instruments."

3. **Evaluate the Options**: The options provided are:
- Music
- Sound
- Noise
- Echo

4. **Analyze Each Option**:
- **Music**: This is typically created by organized sounds and rhythms, often produced by musical instruments.
- **Sound**: This is a general term that encompasses all types of auditory sensations, including music, noise, and echo.
- **Noise**: This refers to unwanted or unpleasant sounds, which may not necessarily be rhythmic or periodic.
- **Echo**: This is a reflection of sound that arrives at the listener after a delay, not directly created by vibrations from instruments.

5. **Choose the Correct Answer**: Since the question specifically mentions "rhythmic, periodic vibrations" from musical instruments, the most appropriate term is **Music**.

6. **Final Answer**: Therefore, the answer to the question is **Music**.