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  • During propagation of a plane progressive mechanical wave (a) all the particles are vibrating in the same phase.

During propagation of a plane progressive mechanical wave
(a) all the particles are vibrating in the same phase.
(b) amplitude of all the particles is equal.
(c) particles of the medium executes S.H.M.
(d) wave velocity depends upon the nature of the medium.

Answers (1)

The answer is the option (b) (c) and (d) During propagation of a mechanical wave, each particle is displaced from 0 to its amplitude (which is equal for each particle). Each particle between any 2 successive crests and roughs are in a different phase.

In case of a progressive wave, medium particles oscillate about their mean position with a restoring force(F \propto (-y)) acting on them, like in a simple harmonic motion.

Also, v=\sqrt{\frac{K}{\rho}}Where K and \rho depend on the nature of the medium.

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