Question

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define longitudenal waves​

Answer 1

$Bonjour$

→A longitudinal wave is a wave in which the particle movement is parallel to the direction of the wave propagation.

Answer 2

$\Large{\underline{\boxed{\mathfrak{Answer :}}}}$

$\\ \large{\underline{\textsf{Longitudinal Waves :}}}$

$\\ \text{Longitudinal waves are the waves} \\ \text{where the displacement of the} \\ \text{medium is in the same direction, or} \\ \text{in opposite direction, and direction} \\ \text{of the travel of the wave.}$

$\sf \large{Formula :} \\ \\ \sf y(x,t)=y_{0}cos[\omega (t-\frac{x}{c})]$

$\\ \large{\underline{\textbf{Thanks ..!!!}}}$