true or false
1. sound is transverse wave
2.vibration of materials do not produce sound
3.sound travels faster in wind an in solid materials like steel
4. sound can travel in a vacuum or in space
5. sound travels faster in cold wind
6. sound or transmitted faster during summer
7. a sound travel faster in air if it is cold
8.higher temperature in molecules creates in a medium that allows sound to travel faster
9. sound cannot travel through solid
10. molecules at higher temperature vibrates faster
11. sunken travel in solids liquids and gas but not in a vacuum
12. repeated echo is known as resonance
13. if the temperature decreases the speed of sound also decreases
14. sound travels faster in space than in water
15. eco is an example of reflected sound
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