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NCERT Question 4 - Chapter 12 Class 9 - Sound

Last updated at May 29, 2023 by

Why is sound wave called a longitudinal wave?

Answer 

In longitudinal waves, particles of wave move in direction of propagation of waves.

In a sound wave, the particles of the medium vibrate back and forth in the same direction of the disturbance.

Therefore, sound wave is called a longitudinal wave.

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