Which one of the following statements is true for sound waves propagating in air?
- A. Sound is an electromagnetic wave and transverse in nature
- B. Sound is a mechanical wave and longitudinal in nature ✓
- C. Sound is a mechanical wave and transverse in nature
- D. Sound is an electromagnetic wave and longitudinal in nature
Correct Answer: B. Sound is a mechanical wave and longitudinal in nature
Explanation
Sound waves require a material medium to propagate (mechanical) and travel as compressions and rarefactions in the direction of propagation (longitudinal).
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