| Chapter Name | Sound |
| Book | NCERT Science |
| Class | 9 (CBSE) |
| Material Type | Book PDF |
| File size | 620 KB |
| Sp. Instruction | If the file does not load, reload the page |
Chapter 11 – Sound
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| Chapter Name | Sound |
| Book | NCERT Science |
| Class | 9 (CBSE) |
| Material Type | Book PDF |
| File size | 620 KB |
| Sp. Instruction | If the file does not load, reload the page |