Sound
Sound is on the syllabus of two of the boards whose official documents we hold: CBSE and ICSE. It is set in Physics and Science, in Class 9 and Class 10. Each board files it under a chapter of its own, and every row below names the document that chapter was read from, the page inside it, and the day we read it.
This page is a map, not a lesson. It says where Sound sits on each board and where that came from. Wobo explains it on the board, out loud, or as a thing you drag, and none of that is on this page yet. Ask below and Wobo answers about this concept now, with no account.
Where it is taught
- CBSE · Class 9 · Science
Sound
Topic, in Motion, Force, Work and Sound
- Demonstrate the production of sound in multiple ways (through vibration of strings, membranes, air columns) using materials in surroundings
- Explain that sound is produced by vibrations
- Demonstrate that sound can travel through different mediums (air, solid and liquid)
- ICSE · Class 9 · Physics
Sound
Chapter
Physics (52), ICSE examination year 2027page 6, Class IX, section 7 - ICSE · Class 10 · Physics
Sound
Chapter
Physics (52), ICSE examination year 2027page 10, Class X, section 3
Where this came from
Two official documents, each read in full, hashed, and named here so you can check them yourself.
- Science, Class IX, Secondary Curriculum Part 1, 2026-27Central Board of Secondary EducationRead on 3 September 2026.Hash of the bytes we read: ab19589aede5.
- Physics (52), ICSE examination year 2027Council for the Indian School Certificate ExaminationsRead on 3 September 2026.Hash of the bytes we read: 2acfb898c537.
Still wondering?