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Zorluk: KolayWaves, Sound, and Light

Arrange the following media in order of the speed at which sound waves travel through them, from slowest to fastest.

  1. 1Air at sea level
  2. 2Liquid water
  3. 3Solid steel bar

Cevap

Air at sea level, followed by Liquid water, and finally Solid steel bar.
Sound is a mechanical longitudinal wave that relies on molecular collisions to transfer kinetic energy. In gases such as air, molecules are far apart, resulting in the slowest speed. In liquids such as water, molecules are closer together, increasing speed. In rigid solids such as steel, strong atomic bonds and high elasticity allow vibrations to transmit most rapidly.

Adım Adım Çözüm

1
Identify the physical state of matter for each listed medium.
Air is a gas, water is a liquid, and steel is a solid.
Sound is a mechanical wave that requires a physical medium to propagate via particle collisions.
2
Apply the general rule for sound propagation speed across states of matter.
Sound travels slowest in gases, faster in liquids, and fastest in solids.
Closer particle spacing and higher elastic properties in condensed matter allow vibrational energy to transfer more rapidly.
3
Sequence the media from slowest transmission speed to fastest transmission speed.
Air at sea level (343 m/s343\text{ m/s}) < Liquid water (1480 m/s1{}480\text{ m/s}) < Solid steel bar (5000 m/s5{}000\text{ m/s}).
Matches the requested ordering criterion from lowest to highest wave speed.

Anahtar Kavram

Sound Wave Propagation Speed in Different States of Matter
Tahmini Süre:45s
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Konular

Waves, Sound, and Light

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