यांत्रिक तरंग: Revision history

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17 April 2023

7 April 2023

6 April 2023

28 March 2023

23 March 2023

  • curprev 10:5310:53, 23 March 2023alpha>Indicwiki 10,070 bytes +10,070 Created page with "{{short description|Wave which is an oscillation of matter}} {{More citations needed|date=April 2013}} File:Espejo (3207185886).jpg|thumb|right|250px|जल में तर..."