{"id":167243,"date":"2022-05-20T15:00:00","date_gmt":"2022-05-20T09:30:00","guid":{"rendered":"https:\/\/www.aakash.ac.in\/blog\/?post_type=web-story&p=167243"},"modified":"2022-08-20T00:19:34","modified_gmt":"2022-08-19T18:49:34","slug":"physics-cbse-class-12-physics-chapter-8-notes-vibration-and-waves","status":"publish","type":"web-story","link":"https:\/\/www.aakash.ac.in\/blog\/web-stories\/physics-cbse-class-12-physics-chapter-8-notes-vibration-and-waves\/","title":{"rendered":"CBSE Class 12 Physics Chapter-8 Notes: Vibration and Waves"},"content":{"rendered":"