The waves in which the particles of the medium vibrate about their mean position along the direction of propagation of the waves are called
Correct answer: A. Longitudinal waves
- A. Longitudinal waves
- B. Transverse waves
- C. Mechanical waves
- D. Electromagnetic waves
Explanation
Longitudinal waves are waves in which the particles of the medium vibrate back and forth along the direction of propagation of the wave. This means that the particles compress and expand in the same direction as the wave is traveling. Examples of longitudinal waves include sound waves in a gas or liquid, and seismic P-waves in the Earth.
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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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