17 videos|193 docs|129 tests
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1. What is the chapter summary of "ध्वनि Class 8"? |
2. What are the main topics covered in the "ध्वनि Class 8" chapter? |
3. What is the importance of studying sound properties? |
4. What is the difference between a mechanical and electromagnetic wave? |
5. What is the frequency of a sound wave and how is it measured? |
17 videos|193 docs|129 tests
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