Listen and Learn Science/Sound: Revision history

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14 January 2017

18 July 2014

26 June 2014

  • curprev 04:5304:53, 26 June 2014DManohar discuss contribs 13,257 bytes +13,257 Created page with " == Sound. == === Sound. === Sound is a vibration, that propagates, as a mechanical wave, of pressure and displacement. When we toss a pebble in a pond, the ripples..." [checked by Xania]