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Answer:
the answers are
b) sound waves require a medium to transfer energy
c) sound waves start with a vibration
d) energy from a vibration creates a mechanical wave
Explanation:
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Following statements are true for sound wave,
- Sound waves require a medium to transfer energy.
- Sound waves start with a vibration.
- Energy from a vibration creates a mechanical wave.
In sound waves,
- Energy is transferred through vibration of air particles or particles of a solid through which the sound travels.
- As sound passes through air (or any fluid medium), the particles of air do not vibrate in a transverse manner
- A transverse wave is a wave whose oscillations are perpendicular to the direction of the wave's advance.
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