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The longitudinal waves travel faster through:

Correct answer: A. Solids

  • A. Solids
  • B. Liquids
  • C. Gases
  • D. Plasma

Explanation

Longitudinal waves are waves in which the particles of the medium vibrate parallel to the direction of wave propagation. These waves travel faster through solids compared to liquids, gases, or plasma. This is because solids have a higher density and a greater degree of intermolecular or interatomic interactions, which allows for faster transmission of the wave energy. In liquids and gases, the particles are more loosely arranged and have weaker intermolecular forces, leading to slower propagation of longitudinal waves. Therefore, the correct option is A.

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About Waves

Progressive waves transfer energy through oscillations, with wavelength, frequency, amplitude and wave speed related by v = fλ; sound speed depends on the medium. Superposition produces interference and stationary waves in strings and organ pipes, while simple harmonic motion describes the oscillation itself and must be distinguished from wave propagation.

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