The bending of sound waves around obstacles is known as:

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Accepted Answer

1. **Diffraction** means waves bend around edges or pass through openings and spread out.

2. Sound waves can bend around corners and obstacles. This is diffraction in action.

3. **Reflection** is wave bounce. **Refraction** is change of direction in a new medium. **Interference** is waves overlapping. None of these mean bending around obstacles.

4. So the correct choice is **(c) Diffraction**.

FINAL_ANSWER: c

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