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.

This is a multiple choice answer as classified in NCERT Exemplar

(b, c, d)

during propagation of a plane progressive mechanical wave

(i) clearly the particles O, A and B are having different phase.

(ii) Particles of the wave are having up and SHM.

(iii) For a progressive wave propagating in a fluid

V= $\sqrt[]{\frac{B}{\rho }}$ , V= $\sqrt[]{\frac{1}{\rho }}$

<p><span data-teams="true">This is a multiple choice answer as classified in NCERT Exemplar</span></p><div><div><picture> (b, c, d) <img src="https://images.shiksha.com/mediadata/images/articles/1745487671phpxXWkbx.jpeg" alt="" width="206" height="82"></picture></div></div><p>during propagation of a plane progressive mechanical wave</p><p> (i) clearly the particles O, A and B are having different phase.</p><p> (ii) Particles of the wave are having up and SHM.</p><p> (iii) For a progressive wave propagating in a fluid</p><p>V=<span contenteditable="false"> <math> <mroot> <mrow> <mrow> <mfrac> <mrow> <mrow> <mi>B</mi> </mrow> </mrow> <mrow> <mrow> <mi>ρ</mi> </mrow> </mrow> </mfrac> <mi> </mi> </mrow> </mrow> <mrow></mrow> </mroot> </math> </span>, V=<span contenteditable="false"> <math> <mroot> <mrow> <mrow> <mfrac> <mrow> <mrow> <mn>1</mn> </mrow> </mrow> <mrow> <mrow> <mi>ρ</mi> </mrow> </mrow> </mfrac> </mrow> </mrow> <mrow></mrow> </mroot> </math> </span></p>

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