Q. Which among the following is true regarding Sound Waves? (Solved)
1. They are longitudinal waves and material medium is not required for their propagation
2. They are transverse waves and material medium is required for their propagation
3. They are longitudinal waves and material medium is required for their propagation
4. They are transverse waves and material medium is not required for their propagation
- c. They are longitudinal waves and material medium is required for their propagation