Which of the following is a longitudinal wave?
Correct answer: B. Sound wave
- A. Light wave
- B. Sound wave
- C. Water wave
- D. X-ray
Explanation
In longitudinal waves, particles vibrate parallel to the direction of propagation.Sound waves in the air are examples of this.
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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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